Jurassic Park Movie Poster

Goofs from Jurassic Park

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  • (at around 1h 4 mins) The goat's leg mysteriously disappears just before the T. rex smashes into the roof of the car.
  • The distance between the wires in the electric fence changes.
  • (at around 1h 40 mins) When Tim gets shocked by the electric fence and flies through the air, the wire holding him up is visible.
  • (at around 1h 55 mins) When Grant, Sattler, Lex, and Tim are running from the visitors center at the end, the mud pattern on the door of the jeep is different from the pattern that is seen right before the group boards the helicopter to leave the island.
  • (at around 1h 20 mins) Just after Malcolm is rescued, you see him sitting in the back of the jeep in the T. rex area next to the other vehicle viewing the tremors in the water. In the next shot he is hurrying the others to come to the vehicle and they are in a completely different area of the park.
  • The scratch on Dr. Grant's left cheek continually shifts positions.
  • (at around 1h 55 mins) When they leave the compound at the end, Grant jumps in the passenger side and Hammond drives away. When they reach the helicopters, Grant gets out of the driver's side and Hammond, Sattler, and the kids are shown walking toward the Jeep from behind it as if they rode in another one.
  • (at around 1h 9 mins) Obvious double for Lex when she is swinging with Grant off the T. rex paddock concrete wall.
  • (at around 45 mins) When the goat is offered to the T. rex, you hear the bleating sound of a sheep as opposed to a goat's bleating sound.
  • (at around 1h 45 mins) Tim's left ear is bloody from the electrocution he suffered (probably a blown eardrum), and it's visible in the buffet scene, but when they are evading the velociraptors his ear is devoid of blood, and his hair is pretty well styled (as opposed to being frizzy from the frying).
  • (at around 1h 55 mins) When Lex is hanging from the bones, she lets go of them then suddenly catches hold again.
  • (at around 1h 13 mins) When the Dilophosaurus spits on Nedry the second time, you can see smoke coming in from off-camera on the left side of the screen. The smoke originated from a special effects gun used to fire the fake venom.
  • When Dennis is taking the embryos in the shaving cream can, the can changes between red and blue and then back again when it is being covered in the mud.
  • (at around 1h 8 mins) When the T. rex starts to spin the overturned vehicle, the taillights and brush guards are intact, but after the spin they are damaged even though they shouldn't be yet.
  • (at around 57 mins) Nedry gathers the dinosaur embryos, frozen in liquid nitrogen, with his bare hands. Brief contact, as shown, is possible.
  • (at around 21 mins) When he first learns that there's a T. rex on the island, Dr. Grant has a grass stain on his pants before he sits on the grass.
  • (at around 1h 8 mins) The air which blows off Grant's hat comes from below, not from the T. rex.
  • (at around 1h 45 mins) Arm of crew member when the velociraptor first enters the kitchen. The velociraptor was actually a full, but generally immobile, robot.
  • (at around 1h 45 mins) When Tim and Lex arrive at the visitor center, after their "tour", they find a entire buffet set with desserts. But all personnel left the night before and only the people in the control-room have been around. Hammond and Ellie ate dessert the night before, but it should have gone bad or melted until the children arrived. No staff of the kitchen seem present or around either. To leave all this food out seem without logic. Especially since no one has eaten from it or intend to do so.
  • The "Dilophosaurus" in the film had a retractable frill around its neck and was able to spit poison, aiming for the eyes to blind and paralyze its prey. While there is no evidence to support this representation, in the film it's stated when the group is on the tour and approach the holding facility of the Dilophosaurus, the announcer states that recently, they discovered that the venom and the frill were part of what it was capable of. Meaning, clearly the "facts" were just simply exaggerated for the film, since they came upon discovering this through bringing it to life, when, outside of the film, of course that never happened. It was probably added for dramatic effect for the later scene when Dennis would encounter the dinosaur.
  • (at around 1h 18 mins) After the Explorer has fallen out of the tree, the camera zooms into the wheel, where a reflection of a face is visible.
  • (at around 1h 11 mins) After Dennis Nedry pulls out the cable on the front of the jeep, he slips and falls down the hill with water rushing down all around him. In the next shot, there is hardly any water around him.
  • (at around 1h 40 mins) Tim stops climbing down the fence when the green light starts to flash, but in background shots later he can still be seen climbing.
  • (at around 58 mins) As the cars are going back to the visitors center, they are traveling through dense jungle when they "suddenly" stop, yet in later scenes they are in an extremely open area.
  • (at around 29 mins) We see John Hammond picking pieces of egg shell off from the hatching egg, but in a subsequent shot, there are two pieces lying down that weren't there before.
  • (at around 1h 18 mins) When Ellie and Muldoon arrive at the T. rex habitat after Grant and the children are attacked, you will notice Ellie's flashlight beaming onto a flat backdrop with trees clearly painted on it as she is stepping out of the vehicle.
  • (at around 58 mins) When initially passing the Tyrannosaur paddock, the cars are heading right. When the cars return due to the hurricane coming, the cars are heading left. There could be an emergency turnaround point in the track that wasn't shown. Additionally, the tour had only been through 3 its scheduled stops, so one could assume they weren't very far into the park when they needed to return. Reversing the vehicles and going back the way they came was likely safer than sending them through the remaining paddocks of the park, if for no other reason than it would've take much less time.
  • (at around 1h 15 mins) When Dr. Grant starts climbing into the tree that contains the Explorer with Tim trapped inside, the tree is dripping with water from the rain. A few seconds later when he reaches the Explorer there are no drops falling down. When Dr. Grant start talking to Tim you can see water drip behind him again.
  • (at around 23 mins) At the beginning, when the group is walking up to the front door of the visitors center, the stone top of the entrance exceeds the bottom of the roof, but in the subsequent close up shot, the stone entrance is smaller, with sheets of grass/straw behind it.
  • (at around 1h 17 mins) When the car falls into the tree, each shot shows the lights on top of the car pointing in different directions.
  • (at around 38 mins) As the Ford Explorers first arrive at the visitor center, (in a long shot) you see Lex walk to the front Explorer. Then, in a close-up (through the windows of the front Explorer), you see her walk up to it again.
  • (at around 2 mins) After falling to the ground, Muldoon reaches to save the gate keeper twice.
  • (at around 1h 4 mins) When the T. rex comes out of its area and walks in front of Dr. Grant and Dr. Malcolm's Explorer, the car and the camera move every time the dinosaur steps, as if to simulate small "earthquakes", but the Jurassic Park logo hanging from the mirror doesn't move at all.
  • (at around 1h 19 mins) The T. rex footprint that Malcolm looks at when he is in the Jeep after being rescued was not there when the other two went to look for Grant and the kids in the other Jeep.
  • (at around 1h 8 mins) In the T. rex attack scene when Grant and Lex are inches from the rex, they are leaning right against the upside-down car (notice Grant's hat). In the next shot, they are at least a few feet from the car and in a different position.
  • (at around 1h 35 mins) When Alan, Timmy, and Lex are running from the Gallimimus herd, some of the dinosaurs run past them, but in the next scene, shot from behind, there aren't any in front of them.
  • (at around 27 mins) During the introduction ride, where it is shown and explained how the dinos are made, you hear the recorded voice saying the genetically engineered dino DNA is put into unfertilized ostrich eggs - but moments later we see a baby velociraptor hatching from what appears to be an actual dinosaur egg.
  • (at around 1h 29 mins) When Dr. Grant feeds the brachiosaurus, during the long shots, he holds the branch with both hands. During the close-ups of Lex, his left hand is loose by his side.
  • (at around 1h 50 mins) After the soup ladle falls on the floor in the kitchen, Tim moves to the other side of the stainless steel cabinet, which shows a reflection of one of the hanging spoons still moving from side to side. In the immediate subsequent shot, the spoon is still.
  • (at around 14 mins) When Dennis Nedry checks the shaving cream canister diversion safe he places the cream on a pie, in the next shot his hand is completely clean of cream before he wipes his hand.
  • (at around 1h 40 mins) In the climbing of the electric fence scene, there is a shot where it is plainly seen that this is a mere section of fence, and the actors could easily walk around it.
  • (at around 1h 28 mins) When Ellie takes a spoonful of ice cream at the table, you can see she has a white tongue, so must have already eaten some in a previous take.
  • (at around 46 mins) When Drs. Sattler, Malcolm, and Grant are talking in the cars, there are several shots in which rain shows on the windows of the Explorer, and several in which the windows are dry.
  • (at around 10 mins) The trailer at the archaeological dig where Hammond meets Grant and Sattler is no doubt a (highway-legal) 8 feet in width as seen from the outside, but the "champagne" scene which follows takes place in a cavernous mock-up much wider to accommodate workbenches, a full-size refrigerator, etc.
  • (at around 1h 25 mins) When Ellie enters the cafeteria where Hammond is eating ice cream the ceiling fans are working despite the power being out.
  • (at around 57 mins) In the embryo freezing chamber, Tyrannosaurus rex is spelled with only one "N" instead of two. Also, Stegosaurus is spelled "Stegasaurus".
  • (at around 1h 50 mins) After the two raptors hear the soup ladle fall on the floor, Lex is shown crawling to go to the other side of the kitchen, and Tim is briefly shown following behind. But in the next shot, Tim is just then starting to crawl to the other side of the cabinet.
  • (at around 18 mins) During the helicopter ride Hammond has his back obviously towards the front and is sitting on the left side. Malcolm is across from him with Gennaro is next to Malcolm. When the helicopter lands Hammond is on the right side with Gennaro across from him.
  • (at around 8 mins) When Dr. Grant is describing the attack patterns of velociraptors to the boy in Montana, his index fingers change from being right next to each other to a few inches apart between shots.
  • (at around 1h 55 mins) When Lex falls through the ceiling, she is screaming but her mouth isn't moving.
  • (at around 58 mins) When Nedry gets out of the Jeep to open the gate, he leaves the door open, but when he comes back, it is shut.
  • (at around 11 mins) The scene in the trailer Hammond is drying the glass with a towel in one shot and in the next the towel is a complete new one evident by the change in color.
  • It is quite unlikely that a really important room like the control room doesn't have a manual (or at least an independently powered) lock which would be operational in the event of a power outage.
  • (at around 1h 50 mins) The scene in the kitchen, when Tim is hiding beside the cooking utensils, you can clearly see a dark figure behind the counter knocking down the ladle.
  • (at around 27 mins) In the movie theater, when Hammond clicks his remote to lock the restraints in place, only the bars on the front row moves. In the next shot, all three rows are locked down.
  • (at around 1h 6 mins) When the two grandchildren are in the jeep and the T. rex smashes down on the plexiglass roof, a large section breaks where Tim is holding it up. When the camera switches positions, the glass is whole again.
  • (at around 1h 15 mins) The concrete wall should be right beside the tree in which the Explorer landed. However when Grant walks up to the tree to help Tim out, the wall is nowhere in sight.
  • (at around 1h 55 mins) When chased by the raptor and going above the ceiling, Alan Grant gets to some kind of a hatch and makes everyone pass before going in himself. Right after, he's the first to exit the duct and makes everyone pass (again) onto the T. rex bone structure.
  • (at around 1h 55 mins) In the final helicopter ride, Lex is seen sleeping on Dr. Grant. Her head position changes several times between shots.
  • (at around 1h 11 mins) When Nedry crashes and tries to use the winch to pull the car out, he unhooks and pulls the line twice.
  • (at around 10 mins) When Grant approaches his trailer at the dig site, the hinge is on the right. When he steps inside, it is on the left.
  • (at around 1h 45 mins) The raptor looks through the kitchen window with a spray of breath on the glass. Just before that, you can hear and see the digital clapper and the man holding it reflected on the door.
  • (at around 1h 3 mins) Gennaro runs off and leaves Lex and Tim in the Explorer when the T. rex appears, and leaves the car door open. Later, we see the same vehicle through the windscreen of Grant and Malcolm's vehicle and the same door is closed. Later on still, Tim shuts the door which is what attracts the T. rex' attention.
  • (at around 10 mins) When Dr. Grant enters the trailer, the hatchet on his belt disappears.
  • (at around 1h 8 mins) In the brief shot that shows the Ford Explorer being flipped on its top by the Tyrannosaurus rex, various pieces of equipment can be seen in the back behind everything.
  • (at around 13 mins) Nedry is shown seated at a beachfront cafe behind the caption "San Jose, Costa Rica". San Jose is a landlocked cosmopolitan capital of almost 1 million people, situated 50 miles from either coast, without any adjoining lakes.
  • (at around 5 mins) When Ellie, Alan, and the rest of the people are digging up the raptor skeleton, the camera shows a black bone during a close up shot, but when the camera zooms out to a full body shot of the skeleton, there is no black bone.
  • (at around 1h 18 mins) Stage light reflected on the hood of the Explorer when it hits the bottom of the tree.
  • (at around 1h 6 mins) When the T. rex steps on the upside-down Explorer, the A, B, and C pillars all buckle and the roof caves in. Later, the interior shots of Timmy and Lex trying to get out show that the pillars are all still intact and the vehicle is simply sinking into the mud.
  • (at around 1h 40 mins) When the power to the electric fence comes on, sending Timmy flying toward Dr. Grant, Timmy flies off of the fence in a perfectly vertical position with no sign of rotation. But when Dr. Grant catches him, he is cradling him horizontally.
  • (at around 14 mins) The bag of money Nedry is holding disappears between shots when Dodgson shows him the canister.
  • (at around 1h 50 mins) When Dr. Grant fires the shotgun in the control room at the intruding dinosaurs, the bullet holes in the glass are incorrect. They are clearly not from a shotgun round and are too small to be slugs.
  • (at around 1h 11 mins) The undamaged East Dock sign on road below Nedry's truck crash points up, then left.
  • (at around 1h 35 mins) When Sattler and Muldoon step out of the lodge Ellie can be seen putting on headphones for her radio. Then when Muldoon is looking at the Raptor footprints she does not have them on.
  • (at around 1h 40 mins) Immediately after Sattler's encounter with the velociraptor in the powerhouse, she lunges toward the door, and the door is closed. In the close-up shot after that, the door is fully open. But in the next shot, the door is fully closed again.
  • (at around 1h 55 mins) The positions of the people in the helicopter from the outside shot at the very end of the movie are different than they were during the shots inside.
  • (at around 1h 2 mins) Before Tim and Lex are attacked by the T. rex the seat belt holder next to the door is in place where it should be. In the next shot the holder is not there, just a hole in the plastic interior of the car.
  • (at around 1h 3 mins) When the T. Rex throws the goat's leg onto the car, you can see that it is a hind leg, but when you see the T. Rex swallowing the rest of the goat, you see both back legs disappear into its mouth. Also, in order for the leg to fall from the Rex's mouth on top of the car, its head needs to go over the fence. The fence is too tall for that.
  • The viewing platform for the raptor compound is bare until Muldoon shows up. Just as he makes it up the stairs and begins talking to Grant, you can see that they are standing on something red.
  • If Site B was where the dinosaurs were bred (In The Lost World: Jurassic Park (1997)) then why was the velociraptor born on Isla Nublar? Hammond wanted to create the illusion that all of the animals were, in fact, created on Isla Nublar. It isn't until The Lost World that it was revealed that Site B on Isla Sorna was where the large industrial compound producing thousands of embryos for a single viable one was located. This is explained in the novel but not mentioned in any of the movies.
  • (at around 28 mins) When the Velociraptor egg is first hatching, the robotic arm is holding it in place, in the next shot the arm is nowhere to be seen.
  • (at around 32 mins) When the raptors are being fed for the viewing of the visitors, a crew member's white shirt can clearly be seen shaking the leaves in the pit as the raptors attack their prey.
  • (at around 57 mins) When Nedry adds the first embryos to the shaving cream can, the can is already half full. When he adds the second ones, the can is empty again.
  • (at around 14 mins) At the beginning, when we first meet Dennis Nedry at the outdoor café in San Jose, he is talking to Dodgson and wiping his fingers with a napkin, and his fingers change positions from one shot to the next.
  • (at around 1h 2 mins) When Tim looks through the windshield with the goggles, Lex is looking in his direction. When the shot switches to the outside, she is looking elsewhere.
  • (at around 54 mins) A close-up of the amber head of John Hammond's cane (as he rotates it in the control room, during the scene when Nedry leaves to steal the embryos) shows an internal vertical reflective plane, indicating that the "amber" is actually an acrylic casting poured in at least 2 steps.
  • (at around 2 mins) When gate keeper falls off the top of the cage, a crewmember's hand stops the stuntman from hitting the camera.
  • (at around 1h 55 mins) When Lex falls through the ceiling, a thin string can be seen falling along with the broken ceiling tile pieces. Notice the piece over to the left, it moves over an inch or two to the left.
  • (at around 1h 8 mins) Dr. Grant and Lex are shown kneeling next to the Explorer, but just before the T. rex spins the vehicle, they are crouching.
  • (at around 1h 55 mins) During the climax, when Dr. Sattler falls from the T. rex' skeleton in the lobby, the camera zooms in for a close-up of Laura Dern's stunt-double.
  • Shadow of crew member's hand visible causing spoons to drop when Lex is hiding in the cabinet.
  • Many of the animals are depicted inaccurately, but this can be explained within the storyline - the InGen scientists have made mistakes or deliberate alterations to the species they cloned. They combined Velociraptor with Deinonychus, made Dilophosaurus a dwarf, and gave Brachiosaurus a chewing ability.
  • (at around 19 mins) When the two jeeps are approaching the Brachiosaurus, Hammond instructs his driver to hastily stop the jeep to which the driver complies, halting the vehicle. The shot then changes to the first car and we can see Hammond's car is still moving, even though we saw and heard it stop in the previous shot.
  • (at around 1h 50 mins) Lex says "It's a UNIX system. I know this!" while looking at a graphical display. While the display in question was not typical of UNIX systems of that era, it was indeed a commercial UNIX system built by Silicon Graphics (see trivia entry).
  • (at around 1h 6 mins) A studio light and a potted tree are briefly visible in the background when the T. rex flips over Lex and Timmy's car, as well as a number of cables and wires attached to the car. These have been digitally erased in the movie's 3D re-release in cinemas and on Blu-Ray.
  • (at around 58 mins) In the control room where Mr. Arnold says that "fences are failing all over the park", you can clearly see on the computer screen that the raptor paddock fences are included. Later John asks "the raptor fences aren't out are they?" Mr. Arnold tells him that they are still on. However, earlier in the movie it was stated that the velociraptors had to be contained in a separate holding pen - which is shown in the movie - away from the paddock shown on the map.
  • (at around 1h 17 mins) When the Explorer is falling down while Grant and Tim are trying to get out of the tree, you can see the cable that is pulling the car downward.
  • (at around 1h 2 mins) When the goat leg falls on top of Tim and Lex's car, the severed end of the leg is cleanly cut, as if with a knife. Given that every time other we see the T. rex feed it shakes its prey violently, like a shark would, the goat leg should be ragged and rent.
  • When the crew first steps onto the platform to look down at the velociraptors, there is an area rug where they are to stand. Moments later, the rug has vanished.
  • (at around 1h 10 mins) When Nedry realizes that he has lost control of the Jeep, he's shown turning the steering wheel hard to the right, but the next shot shows the skidding front/left wheel turned to the left.
  • (at around 34 mins) During lunch when Hammond explains to Gennaro that the "park isn't just for the super-rich", Hammond's hands change positions between shots.
  • (at around 18 mins) When the helicopter is descending onto the island, the cars are already beside the landing pad. As the scientists get out, the cars are shown backing up to the pad.
  • (at around 54 mins) "Surveillance camera" views displayed on computer monitors are obviously video clips that are being played back from disk (progress meter on the bottom).
  • (at around 27 mins) When Hammond shows the guests the park lab, shortly after the scene involving Mr. DNA, Gennaro mistakenly refers to the park scientists as "autoerotica". This is an obvious joke at Gennaro's expense.
  • (at around 1h 11 mins) When Dennis slides down the bank (waterfall) you can see a section of it that has been cut to make a sort of slide for him to go down. It is unlikely to be a storm gutter, plus Dennis manages to slip exactly where it is.
  • (at around 1h 3 mins) When Gennaro leaves the driver-side door open and runs away, Timmy goes to close the door and you can see the cover for the seat belt next to the driver-side window but no seat belt is visible. Once Timmy closes the door and you look out the driver-side window, the cover is missing; all you see is the opening where the cover would be installed.
  • (at around 1h 21 mins) When the Jeep is being chased by the T-Rex, the camera goes to the driver's side mirror showing the T-Rex and "Objects in mirror are closer than they appear". This phrase is only needed for mirrors with convex glass (used to allow the driver to have a wider viewing range and found on the passenger side of the vehicle), which the driver's side mirror does not have (it uses a piece of flat glass).
  • (at around 34 mins) During lunch, the characters eat in a round room with projectors displaying slides on the opposite wall, around the room. The diners and the wait staff would be in the projector beams, but cast no shadows on the screens. The images are obviously rear-projection.
  • (at around 1h 3 mins) When they arrive at the T. rex cage right before the black out, we can clearly see the ground inside the cage is approximately flush with that outside the cage. But when the T. rex escapes and begins to terrorize the two trucks, the ground in the cage is shown to be at least 100 feet below where it was before.
  • (at around 8 mins) As Dr. Grant lectures the cynical boy at the dig site about the velociraptor, he says that the velociraptor's claw was used to eviscerate and tear its victims apart, as opposed to going for the neck like many of today's predators. The fossilized remains of a velociraptor caught in a feud with its prey clearly show the velociraptor stabbing the prey in the neck with its claw. The Truth About Killer Dinosaurs (2005) also conducted an experiment to see if the claw could eviscerate flesh. It couldn't.
  • (at around 5 mins) Dr. Grant is shown at the beginning of the film excavating a velociraptor in Montana. True velociraptors have only been found in central Asia, but Montana was home to the closely related Deinonychus, which some paleontologists considered to be the same as Velociraptor at the time the original Jurassic Park novel was written. For the movie, they kept the incorrect name.
  • (at around 10 mins) In the trailer/champagne scene, the amount of dust on Grant's forehead changes between between shots from 3/4 covered to fully covered, back to 3/4 and finally none.
  • (at around 40 mins) When Dr. Grant and Tim are choosing which car to sit in at the visitors center two stage lights can be seen reflecting in the open car door.
  • (at around 1h 18 mins) As the Ford Explorer that has just chased Grant and Tim down the tree topples over and smashes onto the floor, the huge tree root on the right of the shot moves showing it's not a tree root at all and doesn't go into the ground it's just resting on the floor.
  • (at around 1h 35 mins) When the T. rex attacks the herd of Gallimimus, one of them leaps up toward the T. rex and the Gallimimus' top half disappears into the T. rex' body for a second.
  • (at around 1h 50 mins) When Dr. Grant is holding the door shut in the control room, just as the velociraptor pushes the door almost fully open you can see a crew member in a white shirt reflected in the glass opposite the door. The crew member seems to be pushing the velociraptor model against the door to force it open.
  • (at around 1h 4 mins) When the T. rex breaks out through the fence its first move shows it walking in between the two explorers away from the characters, which would give it no cause to have any interest with the explorers. In the following scene, the T. rex is shown at the fence again.
  • (at around 20 mins) The plot centers around finding dinosaur blood in fossilized mosquitoes trapped in amber. However, our first encounter with extinct life comes when Ellie examines a leaf and says "This 'veriforman' species has been extinct since the Cretaceous." No mechanism is provided for how they could have cloned the plants, given that mosquitoes don't drink plant juices. It is possible that DNA could have been extracted from the amber (hardened tree-sap), but this still doesn't account for other types of plants, such as ferns and bushes.
  • (at around 1h 55 mins) As the T. rex rears its head up with the Velociraptor in its mouth, the raptor disappears completely for just a moment, then pops back into view. If you want to be even more precise, there's a slatted/stepped white bit above the door - the raptor disappears about 3 frames after its foot moves above that white bit.
  • (at around 27 mins) When leaving the visitor coach to proceed to the laboratory, Dr. Grant, Dr. Sattler, and Dr. Malcolm have to push hard to lift their retaining clips which keep them on their seats during the ride, yet Hammond and Gennaro are able to lift theirs easily. As shown earlier, Hammond is holding the remote control for the seat restraints; all he had to do was push a button to release the locks.
  • (at around 1h 6 mins) When the T. rex is attacking the car with Lex and Tim, in a shot through the roof wind-shield, you can hear them scream. However, their mouths stay closed.
  • When the T. rex first gets out, it claws open the fence and walks through the opening; however, when Dr. Grant and Lex go through the same spot in the fence, there is a significant drop (large enough for a jeep to drop past them and into a tree that Dr. Grant then climbs to rescue Tim). The dropoff that Dr. Grant and the kids scale down would have made the fence too tall for the T. rex to reach or even see.
  • (at around 25 mins) The mosquito that is encased in amber, and from which the DNA sample is extracted is male. This is evident from the "bushy" look of the antennae. Female mosquitoes have far fewer hairs on their antennae, and so the distinction is easily made. Only females drink blood, as it is needed to produce eggs. There would not have been any dinosaur DNA in the male to extract. To make it worse, in that species of mosquito, Toxirhynchites, both the males and females are flower feeders, and would therefore have no blood, or dinosaur DNA in their stomachs.
  • (at around 46 mins) From the control room, Hammond sees Malcolm speaking to him through a surveillance camera apparently mounted in the vehicle. Interior shots of the vehicles, however, show no evidence of cameras anywhere in the vehicles, particularly the part that Malcolm appears to have been looking at. Early concept art for the film did show where the cameras would be, but the final design does not appear to include them.
  • (at around 1h 12 mins) A number of obvious goofs from the Dilophosaurus sequence: * Before it opens up its frill, you can see nothing on the animal's neck that would suggest is has a frill. It simply appears from one shot to the next. * As the animal opens up its frill, you can see the wire that held the frill down being quickly pulled back. You can also notice a curiously narrow area around the neck - that's where the wire was wrapped around it in the beginning of the shot. This has been corrected for the 3D re-release. * When the frill is fully opened, it flops around a lot. In the next shot, it is resting firmly on the animal's neck, suggesting it is either another prop, or has been attached more firmly between takes.
  • (at around 1h 6 mins) As the T. rex was destroying the Explorer that Tim and Lex were in, in one shot, their clothes are nice and clean, and the next, they're filthy with mud.
  • The video cameras in front of the steering wheel in the Ford Explorer are actually supposed to be used for the audience to see out the windshield. Even on the front bumper guard, there are video cameras, probably used for crew members to drive the vehicle from behind the backseat. When the camera zooms up to the main Jurassic Park gate, there is clearly a tiny camera on top of the driver's side windshield panel. Ian literally found this camera out after the people were looking at the T. rex paddock.
  • (at around 59 mins) When Ray Arnold uses the UNIX command prompt to access the park's security system his spoken commands do not match his typed commands. For example the first typed command is "access security" and the first spoken command is "access main program". None of his spoken commands match the commands entered in the prompt.
  • (at around 59 mins) The command prompt used by Ray Arnold while attempting to access security settings appears to have correctly started in normal user mode, as the prompt symbol is simply a ">" character. He would have to enable superuser mode, often indicated by a "#" symbol, to access important system information such as security settings. Perhaps the enable command was "please."
  • (at around 40 mins) In the first scene where the Ford Explorers pull up and Mr. Hammond brags about the cars, the boy Tim climbs inside and if you look closely you can see there is no seat belts in the vehicle. The restraints were cut because the vehicle could not be involved in a traffic collision due to the track system. Then, when the T. rex flips the Explorer over (at around 1h 6 mins), the kids do no fall from their seats because they were wearing some sort of restraints.
  • (at around 42 mins) In the scripted audio tour, the narrator refers to the dilophosaurus as poisonous, when in fact if the method of toxin exchange is spitting or biting, then it is actually venomous.
  • (at around 20 mins) As the gas Jeeps travel through the park from the heliport to the visitors center, their tops are configured to be completely open air. As Dr. Grant sees the brachiosaurus for the first time, he reaches up to grab the Jeep's roll bar to stand. The Jeep's canopy covering the front seat passengers is closed. Seconds later when he reaches down the turn Dr. Sattler's head to the left it's open again.
  • (at around 1h 50 mins) After shooting the velociraptor, Grant drops the shotgun on the ground, with the action open and the ejection port facing up. There is a shell visible halfway out of the receiver. This is probably why Grant stops trying to shoot the attacking raptors and drops the gun, precisely because of this "stovepipe" jam (assuming that he is not accustomed to firearms and therefore doesn't know racking the action would probably solve the problem).
  • (at around 1h 21 mins) When Muldoon, Ellie, and Malcolm are being chased by the T. rex, the rex moves towards Malcolm (seated in the back) and Malcolm leans back fast in fright, moving the gear stick from fourth to third gear. This should have slowed the Jeep and made the engine rev up. Neither happens.
  • (at around 1h 20 mins) When the T. rex chase starts, the camera angle changes to Muldoon changing gears in the Jeep. It appears that he changes gears from second to first, not vice versa.
  • (at around 22 mins) As Alan Grant gazes at the herd of brachiosaurus, he's sitting on the ground between Ellie Sattler and John Hammond. But in a reverse-angle shot showing the three characters in the foreground and the dinosaurs in the distance, Ellie is standing between Hammond and Grant.
  • (at around 1h 35 mins) Ellie makes a break for the maintenance shed. She jumps over a log and the shed can be seen in the distance. She then swings from a branch and then jumps over the same log again. Evidently, this was a different take as the shed is virtually lost in the fog effects.
  • When Dr. Grant, Lex, and Tim have just climbed up the tree where they'll meet the brachiosaurus, there's a scaffold visible in the background on the left just behind a horizontal branch. In a later scene, when they are asleep and just about to wake up, the net used to hang distant branches and leaves is clearly visible in the top third of the frame for almost the full width. Below that, once again the scaffold silhouetted against the background light.
  • (at around 1h 35 mins) During the Gallimimus stampede when Grant, Lex, and Tim seek shelter under the fallen tree, you can see the shadow of a camera or crew member on Grant's body a few seconds before the T. rex appears.
  • (at around 17 mins) Dr. Grant clearly isn't wearing a watch during the helicopter ride to the island, but is wearing one as soon as they land and for the rest of the film.
  • (at around 1h 29 mins) When Grant and the children are approached by the brachiosaurus in the tree, there is a shot where you see Tim's stand-in from behind, who has straight, and significantly longer, hair.
  • (at around 3 mins) While Muldoon is on the ground, attempting to save Jophrey's life, his hat is missing, but when he gives the order to shoot the raptor, the hat mysteriously appears on his head.
  • (at around 1h 6 mins) When the T. rex flips over the Ford Explorer it hits the wall but in the next scene when the T. rex stands on it, the Explorer has moved away from the wall by several feet.
  • (at around 34 mins) There is an absence of blood on the shredded harness used to hold the cow after it has been fed to the raptors, despite the violence of the feeding scene.
  • (at around 1h 50 mins) In the kitchen scene, you can see the reflection of various shiny objects on the metallic tables through the reflection of the raptors. This wouldn't be possible, unless the raptors were see-through.
  • When the T. rex slams the side of the car with the kids, and later slams the side of the escaping jeep with Malcolm in the back, there is no visible damage to the vehicles.
  • (at around 1h 5 mins) When the T. rex roars right by the jeep door, Timmy not only does not react to the earsplitting sound, he's not even looking at the rex. The scene then quickly cuts to a closeup of him cowering in terror.
  • (at around 57 mins) When Nedry opens the shaving cream can to steal the embryos he tosses the top section of the can aside. When he is finished collecting the embryos the discarded section is on a shelf in front of him.
  • (at around 1h 24 mins) When Grant and the children are sitting in the tree overlooking the Brachiosaurs, and again when climbing the electric fence (at around 1h 40 mins), the soles of Grant's boots can be seen and are completely clean and free of any mud or debris.
  • (at around 1h 4 mins) Before the T. rex attacks Tim and Lex in the car, the exterior shot shows the previously open door closed, but, when the camera changes to inside the vehicle, Tim closes the door and gains the attention of the T. rex.
  • (at around 12 mins) The label on the champagne bottle changes position at least three times as Hammond pours.
  • (at around 58 mins) When Dennis bumps open the main "Jurassic Park" gate, the CB antenna on the right rear of the Jeep is straight up. Yet when he slides and crashes into the sign, the antenna is bent over and tied down like the other Jeeps.
  • (at around 1h 45 mins) When Lex and Tim, go into the kitchen to hide from the raptors, there are several mats along the floor, but during the closeup shots of the raptors' feet the floor mats are gone.
  • (at around 1h 35 mins) Tire tracks of the vehicle driving the camera around are clearly visible in the grass during the Gallimimus stampede.
  • (at around 1h 5 mins) When the T. rex attacks the Explorer, the first shot shows the rex nudging the driver's window. In the next shot of the T. rex it is letting go of the nudge much lower down, from the door itself.
  • (at around 21 mins) The sky in the first Brachiosaur scene is alternately cloudy and clear from shot to shot.
  • (at around 24 mins) Malcolm goes from leaning in on Grant and Ellie's conversation in the cinema to sitting further away in the next shot.
  • (at around 1h 30 mins) Grant moves forward to look at the Gallimimus herd but in the next shot he's just started moving.
  • (at around 1h 55 mins) An obvious stuntman when Grant falls from the dinosaur skeleton in the Visitors Centre.
  • A lot of the characters call the dinosaurs "he" even though Dr Wu told Malcolm the dinosaurs are all female.
  • (at around 7 mins) When Grant is lecturing the group in Montana, the man working the computer is looking at the monitor and then at Grant from shot to shot.
  • Dominican amber is famous for its quality, but it was only formed 20 million years ago, long after the dinosaurs had died out, so you could never find a prehistoric mosquito that had fed on dinosaur blood there, and even then, one that was completely uncontaminated, which would have been amplified along with the DNA, as well as too degraded. There is nothing to compare it with.
  • (at around 30 mins) Dr Wu claims "all vertebrate embryos are inherently female". This is inaccurate. In fact, it would have made more sense to breed the dinosaurs all-male, because there are far fewer variables, and may have eliminated the danger of breeding altogether.
  • The ride they are taken on passes by the lab, there is only one viewport and the ride seats only a few people (30ish) yet they expect many thousands per day. This will be impossible.
  • (at around 46 mins) Grant says; "T-Rex doesn't want to be fed. He wants to hunt. Can't just suppress 65 million years of gut instinct". However he has it the wrong way round; dinosaurs had 200 millions years of gut instinct; 65 million is the period for which they were extinct.
  • (at around 40 mins) The tropical storm is reportedly some distance west of the island. At the latitude of Costa Rica, tropical storms move east to west. The storm should have moved away from the island.
  • (at around 1h 50 mins) Obvious fake monitors where the raptors jump on the table and disturb them.
  • (at around 5 mins) During his dig in Montana, Grant makes three mistakes: First, he unearths a velociraptor in Montana. Velociraptor remains have only been found in Asia. Second, he declares that velociraptor was a pack hunter. All velociraptor remains have been found alone, indicating exactly the opposite. Both of these, however, are accurate claims about Deinonychus, on which Michael Crichton modeled his velociraptors. Thirdly, Grant says that raptor means "bird of prey." It is actually Latin for thief. (The English word rape has the same root, and originally meant theft.) The first velociraptors were found around egg nests, and paleontologists thought it was an oviraptor (egg thief). They subsequently concluded that the eggs were in fact velociraptor eggs, indicating that the animals cared for their young, rather than abandoning them, as many had previously thought.
  • (at around 31 mins) When Grant is holding the baby raptor, he asks Dr. Wu, "What species is this?" and receives the reply, "Uh, it's a velociraptor." In fact, "velociraptor" is the genus of the animal, not the species.
  • Contrary to Hammond's boast that he "Spared no expense", he is shown on numerous occasions to have cut corners on areas of the park. For example, Nedry complains (or boasts) that nobody else could "network 8-connection machines and debug 2,000,000 lines of code" for what he "bid for this job", implying that Hammond sold the security programming job to whoever promised him the cheapest price. Both Muldoon and Arnold are also shown complaining to Hammond, even occasionally clashing, about the park's numerous security issues not being addressed. This isn't so much a goof, though, as just showing the flaw in Hammond's ignorance, or perhaps intended as an ironic comment on how he spent so much time and money on the park's dinosaurs that, contrary to his boasts, he ignored other important areas of the operation.
  • (at around 1h 45 mins) When the Velociraptor enters the kitchen, a crew member is reflected in the stainless steel door and wall.
  • (at around 14 mins) After Dodgson demonstrates the pop-out unit hidden inside the shaving cream can to Nedry, he pops it back into place. In the next shot it's popped open again, and Dodgson pops it back into place again.
  • (at around 1h 35 mins) When several of the characters are in the safety bunker, John Hammond makes up excuses by saying that all major theme parks have delays. He then says "When they opened Disneyland in 1956, nothing worked". Disneyland was actually opened on Sunday July 17, 1955.
  • (at around 1h 4 mins) In the wide-shot of the T-Rex ripping through the fence wires and breaking out of its area. You can briefly see the fence wires in the background overlay the T-Rex's left leg as she makes her third step just before the roar.
  • (at around 55 mins) Nedry tells Hammond that various systems will be down temporarily while a debugging routine runs. System maintenance like this would never be performed while the system was in operation for business purposes, such as having people out on the tour. The maintenance would have been done overnight or when the system was otherwise not needed and only after review and approval of the actions and consequences.
  • Nedry would have been able to target his system shutdown to the specific security systems he needed to disable, without shutting down systems all over the park. He probably shut down the fences and phones to make sure no one would get off the island to tell anyone what he did (but left the raptor fences on to make sure he himself could get to the boat).
  • (at around 1h 55 mins) When Lex gets picked up on the roof tile by the raptor and Dr Grant kicks it causing it to fall, you can see in the overhead shot that there is nothing below that it could have been standing on.
  • When they are walking inside the visitor center, the reflections of the CG dinosaurs on the floor are transparent, so you can see the reflections of other objects through them, as if the dinosaurs themselves were see-through.
  • (at around 57 mins) When Nedry enters the embryo storage room the containers he opens begin to leak thick white mist, suggesting cryogenic storage, but even if the embryos were stored at the temperature of dry ice, Nedry would need insulated gloves to take them out of the clips.
  • When the raptor slashes at Dr. Grant in the control room, the top of a crew member's head with hair can be seen for a split second.
  • (at around 40 mins) It is never actually explained why (nearly) the entire population of the island is being required to leave. Announcements for the exodus are heard well before Muldoon mentions the storm is coming, and he had just then heard it from the National Weather Service. He also said he'd "keep an eye on it," hoping it would "swing south," and at the time it was not a major concern. They were not being evacuated because of the storm.
  • In two instances, the carnivorous dinosaurs are being fed mammals (a goat and a bull), neither of which would have existed when the dinosaurs lived. It would be nearly impossible that the dinosaurs would have a digestive system that would enable them to digest them.
  • (at around 1h 30 mins) When Ray Arnold shuts down the computer system, he flips (in reverse order) three smaller switches marked "C-1," "C-2" and "C-3" before throwing a larger switch marked "Main." When he flips "Main" back up, the three smaller switches are already in the "on" position without having been moved.
  • (at around 1h 21 mins) When injured Ian is first shown in the back of Jeep #10, there are tool boxes over each rear wheel. As the T-Rex chase scene ensues, the tool boxes disappear.
  • (at around 5 mins) At the beginning of the film, in the "Bad Lands" scene, the Archeologist helpers are brushing away dirt from a Raptor skeleton found in the ground... the "dirt" is so loose that it is easily sweep away with a mere brush when in fact it should be hard, impacted earth a minimum of 65 millions of years old.
  • (at around 16 mins) At the beginning of the film, when all the characters are being flown to the island, the helicopter is flying directly towards it and Hammond is seated with his back to the cockpit facing the rear of the helicopter. When Hammond says "There it is", in reference to "the island", he is looking to his left and towards the rear of the helicopter, (his version of 10 o'clock if the rear of the helicopter was 12 o'clock) which would be a view of the vast ocean, not the island in the front of the helicopter.
  • (at around 1h 22 mins) When Grant and the children settle in the tree for the night, Tim points to the Brachiosauruses and, at first, incorrectly identified them as Brontosauruses. There was actually no such creature. The animal that most closely resembles a Brachiosaur is the Apatosaur. The Brontosaurus was named when someone incorrectly matched a Brachiosaur skull with an Apatosaurus body. To casual dinosaur fans, the Apatosaurus is often misidentified as Brontosaurus. Someone who has read as many books as Tim has, however, should know better.
  • (at around 1h 55 mins) In the final helicopter ride when the camera is on Dr. Grant you see trees and plants in the background, but ocean when it's on Ellie. In the final shot there's no land at all, only ocean.
  • (at around 1h 6 mins) When the T-Rex attacks the Explorer by trying to rip the tire off, the left rear wheel had no hubcap. But in several shots after, the hubcap is clearly visible on the left rear rim.
  • (at around 1h 40 mins) After Dr. Sattler turns on the power, Tim is electrocuted by the high voltage fence and she is chased by a velociraptor. She runs out of the control room and closes a fence with a high voltage sign. She does not get electrocuted even though she just turned on the power and Tim was electrocuted.
  • (at around 1h 21 mins) During the T-rex chase, when the jeep crashes through the tree branch, you can see some wood boxes fall off the jeep from where the three characters were supposed to be.
  • (at around 16 mins) The helicopter flying Hammond and Drs. Grant, Sattler, and Malcolm to the island bears US registration numbers (starting with the letter "N"). As the "Jurassic Park" is supposed to be located in Costa Rica, the helicopter registration should have begun with the letters "TI".
  • As a contractor, Nedry might have password control of his account, but these are UNIX based systems and a member of the staff would have had root access that could be used to override the password of a user.
  • (at around 31 mins) Malcolm has confused chaos theory with Murphy's law. Chaos theory is: When the present determines the future, but the approximate present does not approximately determine the future. What Malcom appears to state when he says "Life will always find a way" is closer to Murphy's Law: Anything that can go wrong, will go wrong.
  • When the T Rex was attacking the vehicle with the two children, Lex Murphy had her flashlight on. She realized it the light was drawing the T Rex in so she turned it off. When the camera came back to them it was on and she turned it off a second time.
  • (at around 1h 11 mins) When Nedry crashes the Jeep, the camera cuts to a shot of the rear wheel spinning, indicating the vehicle's transfer case was in 2 wheel drive. As the vehicle in question is a 1992 Jeep Wrangler Sahara, it would have had an option for four wheel drive on the transfer case, as all Jeep Wranglers do. Nedry wouldn't have had to use the winch, he would have only had to put the transfer case in four wheel drive, and the Jeep would have simply crawled out.
  • (at around 1h 19 mins) When Dr. Grant and Lex step onto the paddock wall before the Explorer is pushed over, the wall shown to be at least 5 feet thick. But when Dr. Sattler and Muldoon go to rescue them, she barely leans over the wall and can somehow see the vehicle. All she would have seen was the concrete right in front of her.
  • (at around 1h 11 mins) When Nedry crashes his Jeep, the shot shows him hitting an embankment at a steep angle tossing mud from the impact and there are no giant branches to be seen. In the next shot, the embankment is completely nonexistent, a large branch appears behind the rear axle, and the jeep is almost completely horizontal.
  • (at around 38 mins) When the tour vehicles first arrive at the Visitor's Center, there is nothing connecting the vehicles to the electric rail. This can be seen in all the frontal shots that show the entire undercarriage of the cars.
  • The park tour runs on an automated computer program. It's likely designed to pick up guests at the Visitor's Center, complete a single circuit around the park, and then return the guests to the Visitor's Center. It's highly unlikely that the tour vehicles on the track would be able to be turned around and return to the Tyrannosaur paddock on the same track (as shown by the vehicles' distance to the paddock fence).
  • (at around 1h 30 mins) After the reboot of the control room computer system, Mr. Arnold states that he would have to walk to the maintenance shed on the other end of the compound to switch on the circuit breakers to restore power to everything. Later, when he does not return, Dr. Sattler is worried about his absence. When she offers to go outside and check on him, Muldoon states she just can't "take a stroll" on her own and he proceeds to open the arsenal locker. He didn't mention this safety hazard when Mr. Arnold announced he was going. No one, including Hammond, seemed worried he was going out there alone where dangerous creatures were roaming.
  • (at around 37 mins) At lunch, Ellie is gesturing with her right hand when she talks about the plants. In the next shot, her right hand is lying on the table in front of her and her left hand is raised.
  • (at around 24 mins) In the ride with Mr. DNA, Hammond "interacts" with Mr. DNA. This means he would be on that ride all day every day with each new group of guests. Presumably they would have noticed this and filmed Hammond reading his lines before the park opened.
  • (at around 1h 6 mins) When the T-rex turns over the Ford Explorer with the grandchildren inside you can clearly see that there are cables tangled up in the front end of the vehicle, but in the next shots when the T-rex is attacking the vehicle, they're missing.
  • (at around 37 mins) Dr. Grant says dinosaurs and man, two species separated by 65 million years of evolution. Dinosaurs aren't a species. They're a group of animals with hundreds of known species.
  • (at around 1h 45 mins) When Ellie is being chased through the control room after switching the power back on she can be seen wearing the blouse that she has been wearing since they arrive at Jurassic Park. The next time we see her she is not wearing the blouse.
  • (at around 1h 4 mins) In the first T-rex attack where Tim is trapped in the car and Grant and Lex are crouched next the car, with the T-rex sniffing them, then pushing the car around, you can clearly see Grant and Lex's position alongside the car change when the camera shot changes. In one shot they are alongside the front door, in another alongside the tire, in another they are alongside the rear bumper, all before having to actually move because the car is pushing them.
  • (at around 1h 21 mins) When the Tyrannosaur is chasing the gas Jeep with Muldoon, Ellie and Malcolm, you can clearly see that it has both driver and passenger-side mirrors attached to the side of the windscreen. When the Jeep drives under a fallen tree, you can clearly see that it makes it through with the windscreen and mirrors intact. But in the next shot, the windscreen is torn off and the mirrors are gone.
  • (at around 56 mins) One of the cigarettes that Arnold (Samuel L. Jackson's character) is lighting (the one during the cutaway shot when Nedry is in the process of sneaking through the doors to steal the DNA) is clearly just a prop cigarette, as the end where the tobacco should be is white.
  • (at around 1h 20 mins) T-Rex can run up to 12 mph (19 km/h). While a Jeep Wrangler 4.0L top speed is 91 mph (147 km/h), with a 0 to 60 mph in 9.9 seconds. There for the jeep would be long gone.
  • (at around 1h 17 mins) When the vehicle starts chasing Grant and Tim down the tree, when it first starts to fall, it smashes a headlight and damages a foglight. In the next shot both lights are undamaged and operational.
  • (at around 1h 20 mins) When Ellie and Muldoon rescue Ian they leave him in Jeep 10 while they go looking for Alan and the kids, and after the closeup of the water filled T-Rex footprint showing an impact tremor, the next shot zooms in on Ian and we can see the driver's side-view mirror has no writing on it. When they're being chased by the T-Rex, in the shots from behind the Jeep we can see that both side-view mirrors have writing at the top and bottom (shown in closeup "objects in mirror are closer than they appear").
  • (at around 1h 40 mins) When Alan and the kids are about to climb the fence, when he throws a stick at the fence, his hair is messed up, it is sunny and windy. In the next scene his hair is perfectly fixed and it is shady, and it is not windy.
  • (at around 1h 50 mins) While Lex and Tim are hiding in the kitchen, just as the Velociraptors come in Lex tells Tim to follow her, and when they turn into the aisle there's a stainless prep unit with no open shelves right beside them at the end of that aisle, but after the closeups of the Raptor's claws, when the kids continue to crawl away that prep unit has oddly vanished - the last unit in that aisle has shelves, and then it reappears when Tim sits under the utensils.
  • (at around 1h 8 mins) After Alan pulls Lex out from the overturned Explorer and the T. Rex spins the vehicle around, in the closeup shot from behind Tim while he's still inside the Explorer, as the T. Rex leans down facing Tim we can see one of the lower front teeth is missing, but it's back in the following shots.
  • (at around 1h 5 mins) After the T. Rex escapes its paddock and is drawn to the light Lex is holding, when the T. Rex begins to roar in the shots from inside Explorer 4 there's a Jurassic Park sticker adhered to the windshield (not the ID tag hanging from rear-view mirror), that wasn't there before.
  • (at around 1h 3 mins) Right before the T. Rex breaks out of the paddock there's a shot of the back of Explorer 4, and the rear windshield wiper is gone, but it reappears, vanishes, and then reappears again during the T. Rex attack.
  • When Tim and Lex first arrive, Lex is wearing a purple tank top with a colorful design, and in the following scenes or even between consecutive shots her tank top changes to completely different designs, though it's the same style of tank top.
  • (at around 1h 3 mins) After Gennaro runs off to hide in the restroom there's a shot of the fence cables ripping apart, and in the following shot of the back of one of the Explorers note that it's missing its black roof vent (and rear wiper), but in following shots of Explorers 4 and 5 the vents are intact on both vehicles. Then just as the T. Rex starts pushing Explorer 4 upside-down its roof vent is gone (presumably, the vehicle missing the vent is a stunt vehicle).
  • (at around 45 mins) When both Explorer vehicles are parked at the paddock, in the shot of the goat being raised to lure the T. Rex, the "No! Feeding..." sign is permanently affixed to the front of the concrete wall, but in the previous and following shots that same sign is affixed to the angled top part of the wall. Later, when the power goes out, that sign is once again affixed to the front of the concrete wall.
  • (at around 1h 6 mins) After the T. Rex rolls Explorer 4 upside-down with Lex and Tim inside, in the closeup when the dinosaur bites on the rubber tire we see the hub hole at the center of the wheel rim, but two shots later the wheel cover is back on the wheel.
  • After Ellie injures her foot running from the raptor, her limp switches legs repeatedly for the rest of the film.
  • (at around 1h 50 mins) While Lex and Tim are hiding in the kitchen, when the large serving spoon falls it cuts to the closeup of the two Velociraptors and the tall shelving unit has vanished, but in the next shot when the one of the raptors leaps onto the counter that tall shelving unit is back.
  • (at around 48 mins) While they're in Explorer 5, when Ian shows Ellie an example of "unpredictability" her watch reads 5:00, then when Ellie examines the Triceratops' tongue her watch has sped forward and reads approximately 6:05, and a moment later when Dr. Harding hands Ellie the flashlight her watch has run backwards, and now reads approx 5:40.
  • (at around 18 mins) When the helicopter first lands on the island it is clearly not on the cross on the landing pad. Later in the scene it is.
  • Hammond has a pronounced Scottish accent at the start of the film, which deteriorates markedly in just a couple of scenes. By the end of the film he has an upper class English accent.
  • (at around 1h 24 mins) When Tim, Lex and Dr. Grant are hiding in a large tree, a large dinosaur appears. They pull some branches off the tree and feed the dinosaur. However, when they first climb the tree, there is no foliage in the area at all.
  • (at around 11 mins) In the badlands segment of the film, after Ellie, Alan, and Hammond enter the trailer. Hammond decides to open the bottle of champagne that Ellie, and Allen were saving. Hammond begins to buff a couple of glasses with a towel that magically changes to a pink towel in the next shot.
  • (at around 1h 7 mins) Ian gets out of the car to distract the dinosaur. Inside the car, he's nice and dry, but the second he gets out of the car, he looks like he's stood in a bathroom shower for ten minutes.
  • (at around 1h 40 mins) When Ellie is in the bunker trying to escape from the raptor, she stumbles along the floor gratings and is dragging her flashlight connected to an ankle bracelet. It appears securely connected as indicated by wildly bouncing and being flung around. She bashes her way through the door and slams it behind her, then she runs, suddenly free of the flashlight and connecting strap. If it was as securely attached as shown, she should have had a devastating fall when it was caught in the door, and the raptor would have won.
  • (at around 1h 8 mins) Just after Alan gets Lex out the pushed over truck, a dinosaur walks up to them. It is about an inch away from them. In the next shot, there's no sign of it as if it just disappeared. But in the next shot the dinosaur is back again.
  • (at around 51 mins) As Dr. Settler is examining the triceratops, her left hand is very close to the dinosaur's left eye. After the cut, her left hand is nowhere near the dinosaur's eye.
  • (at around 28 mins) When the egg is opening, the leaves underneath change from dry and crushed to big and green between shots.
  • (at around 8 mins) When Dr. Grant is scaring the kid with his Raptor claw, the pouches on his belt holding his knife and things move around.
  • When the camera zooms in on Dr. Grant helping Lex out of the crushed Explorer one of the hood level fog lights is missing (both should be missing considering the Rex stepped on the hood earlier), but they are both intact in the following scenes.
  • (at around 58 mins) When Grant and Malcolm's car suddenly "just stops" you can see outside that they are in a thick dense jungle area. A few minutes later, the two parked cars are in a wide open area next to the T-Rex fence.
  • (at around 12 mins) Towards the beginning of the movie when John Hammond is in the trailer, he opens the refrigerator, takes out the champagne and opens it. The amount in bottle stays the same before and after he pours three glasses.
  • (at around 1h 3 mins) When the T-Rex is approaching, the lawyer runs into the bathroom stall and the roll of toilet paper is mounted horizontally. After Ian runs towards the bathroom away from the T-Rex, in the shot of the panicked lawyer as he shuts the door the toilet paper is now mounted vertically, but when the T-Rex knocks down the stall walls, leaving the lawyer sitting out in the open, it is again mounted horizontally.
  • (at around 1h 40 mins) When Ellie is turning on the circuit breakers she turns on "Herbivore Feeding Compound", "Visitors Cntr. Compound", "Visitors Cntr. Control Rm", and goes to press "Visitors Cntr. Tour". In the next shot of her she presses "Visitors Cntr. Control Rm." and "Visitors Cntr. Tour" again.
  • When the T-rex breaks out, on the first car, the one with the kids in it, only the regular headlights are on. When it goes over the "cliff" all the headlights are on.
  • (at around 1h 4 mins) When the T-Rex first breaks out of her paddock, she walks between the two Explorers which look to be only a short distance apart- maybe one or two T-Rex-steps between them. But later when the T-Rex is by Grant's Explorer and walks to the one with the kids in it (when Grant is saying "Turn the light off") she has to take about five steps to get there.
  • (at around 41 mins) When Hammond watches the vehicles leaving the visitor center the first car is passed the main steps. In the next shot of the car, they are just moving past the steps.
  • (at around 34 mins) Just after Gennaro suggests a coupon day at Lunch the camera goes to Hammond then back to Gennaro. In the change from Hammond back to Gennaro, Malcolm's head changes directions from facing left to right.
  • (at around 1h 8 mins) In the T-Rex attack, once the car has flipped and the T-Rex is turning it round, it pushes it a full 180 degrees to end up beside the wall, then next shot and the T-Rex pushes it more to end up in the same place.
  • (at around 1h 11 mins) When Nedry gets lost at night, he crashes into a mud bank on the front end of his Jeep. When we get a shot of Nedry getting out of the car, he looks to see what stopped him. The obstacle has changed to a log caught on the back tyres. No more mud bank.
  • (at around 1h 1 min) When the explorers break down outside the T-Rex paddock, Grant can be seen filling a flask with rainwater out of the door. When the angle changes the door is closed, then the angle changes again and he is still collecting rainwater with the door open (fixed in the VHS Widescreen and "Ultimate Collection" DVD box set versions).
  • In an early scene, Samuel L Jackson's character is struggling to get the computers up, and he is smoking away. A full cigarette, then half, then full, all without lighting a new smoke.
  • (at around 2 mins) In the opening scene, when Jophery falls from the cage, he lands on his front. The shot changes to a wide view and he is now on his back and rolls over to get up.
  • (at around 5 mins) The dinosaur fossil the paleontologists are excavating in the overhead shot (when "Badlands, Montana" appears) has a different head than the one they were digging up in the shot right before.
  • (at around 22 mins) When we first meet the dinosaurs Alan is sitting in front of a lake. Ellie is standing right in front of him. After the cut Ellie comes to Alan from behind and puts her hands on his shoulders.
  • (at around 23 mins) When entering the visitor centre, Ian goes from the side of Hammond to the back of all the characters without a chance to move, in a single shot.
  • (at around 1h 11 mins) When Nedry's car is stuck in the mud, he goes out front to grab his winch and pulls out a fair bit of wire. In the next shot, we see that he has a lot less wire than before, even though we never heard the winch retract.
  • (at around 1h 14 mins) After the first T-Rex attack, Tim's rover is still stuck in the tree, and Dr. Grant and Lex arrive at the base of the wall adjacent to a gushing storm drainage pipe. Dr. Grant assures Lex that he will return and goes to assist Tim. Whimpering, Lex clambers up to take shelter in the drainage pipe. However, there is now an inexplicable blue light glowing from deep inside the drainage pipe, illuminating Lex.
  • (at around 1h 55 mins) In the final rotunda scene, when the rex is chewing the first velociraptor, there is a skeleton piece (a herbivore tail) hanging beside it. In the next shot, when the second velociraptor jumps rex, this piece of the skeleton is no longer there.
  • (at around 22 mins) When Grant nearly passes out after first seeing the Brachiosaurus, he sits down on the grass. In the following shot, he is shown kneeling.
  • (at around 1h 12 mins) When Nedry hears the Dilophosaurus and turns around, he's holding a tow cable. It's gone in the next shot.
  • (at around 1h 7 mins) The T-rex completely destroys the outdoor bathroom facility that the lawyer ran into. The lawyer is perched atop the toilet and the remaining damaged wall behind him is tilted backwards. When the camera cuts to a shot where the lawyer is seen from behind and the T-rex is just about to eat him, the wall is missing. When it cuts back to a front shot, the wall is back again.
  • (at around 41 mins) When the cars are approaching the gates of Jurassic Park, there is an interior shot of the second car over Ellie's shoulder. In the car's rear-view mirror, there's nobody in the back seat.
  • (at around 1h 9 mins) When the car with Timmy in it falls down the wall, it lands in a tree flat again the concrete wall. Yet later when Alan is rescuing Tim, this is no wall to be seen anywhere. Only other nearby trees.
  • (at around 1h 6 mins) When the car with Tim and Lex is turned over, mud flows into it and it's like they are going to drown. But when seen from the outside, next to the tracks is a firm gravel road, and Dr. Grant doesn't even sink in when he steps out of his car with the flare.
  • (at around 1h 7 mins) When Ian Malcolm jumps out of the jeep to wave the flare at the T-Rex, there is strange mark on his forearm. When he starts to run from the T-Rex, with his arm still in the air, the mark is gone.
  • (at around 1h 35 mins) When Ellie runs away from Muldoon towards the Power Station, she climbs over a tree and watches a path in front with two more fallen trees on the way. When she is about to jump over the first one some branches suddenly appear on the close-up to help her do the jump. Furthermore, when she is about jump over the second tree the close-up is a repetition of the previous tree.
  • (at around 38 mins) After the kids have greeted Hammond, everyone is outside the building waiting to see the vehicles. In the first angle they are several meters to the right of the stairs. When the angle changes they have moved back and are standing closer together.
  • (at around 32 mins) In the scene from behind Dr. Grant we can see the cow being lifted straight up. You can see that the cow is rather close to Dr. Grant. Then the scene cuts and the cow is already in the middle of the top of the Velociraptor paddock. Judging from the distance between Dr. Grant and the paddock from the previous wide-shot, and the fact that Dr. Grant made no big moves, the crane couldn't pass that distance between the two shots.
  • (at around 1h 19 mins) At the site of the T-Rex attack, Ellie and Muldoon help the injured Dr. Malcolm into the back of the Jeep, before Ellie goes looking for the other Explorer. Muldoon hears the T-Rex approaching and shouts "Ellie, come on!" but Ellie spots the Explorer over the wall and (in the next shot) she and Muldoon (heard but unseen except for his torch beam) have left Dr. Malcolm alone, somehow descended the high wall, and are running up to the wrecked Explorer. There is no implied time gap between the shots as they could hear the T-Rex was approaching before they did (or did not) descend the wall and later the T-Rex is almost at the Jeep (now in a different location) and Dr. Malcolm is urgently calling them back.
  • (at around 3 mins) During the close-up shots of Jophery being attacked by the velociraptor, he has been lifted high up but in an intermediate wide shot he can be seen back down on the floor.
  • (at around 1h 21 mins) Ellie, Muldoon and Dr. Malcolm are accelerating away from the T-Rex after having found the other Explorer. Just after Muldoon shouts "Bloody move!" and is looking at the gear stick, the shot changes and he is suddenly looking over his shoulder.
  • (at around 5 mins) At the start of the Badlands sequence, the paleontologists are brushing-out a dinosaur skeleton. In the close-up shot, they are working on the head (someone 'picks its nose') and one of them has a red-handled brush. When we cut to a wide shot, there is only one person working on the head (the nose is still being brushed) and there is no red-handled brush in sight.
  • (at around 29 mins) When the baby dinosaur is breaking the egg, the eggshell is almost open on one shot, and starting to break with a different shape, in the next shot.
  • (at around 1h 40 mins) When Alan, Lexi and Tim are climbing the hill and you see them from behind, Tim is almost next to Alan. In the next shot, when you see them from the front, Tim is lagging behind the other two and has to catch up.
  • (at around 1h 7 mins) When the T-rex is attacking the vehicle with the kids inside, Alan gets out of the other car. Even though it is pouring rain and Alan is standing perfectly still, no raindrops are seen hitting his solid, medium-colored shirt. It stays perfectly dry, even though there is nothing overhead that is shielding him from the rain. It is only after the scene cuts to him at the other car that the shirt is suddenly drenched. The rain is obviously CGI.
  • (at around 1h 5 mins) Right before Lex and Tim scream when the T-Rex roars at them Lex is holding a flashlight, in the first shot you can see that Lex is staying completely still with the flashlight facing towards the driver seat but in the next shot you can see that it is pointing out the passenger side window.
  • (at around 1h 3 mins) When Timmy hears the T-Rex stomping and takes off the night vision goggles, his hair in back comes up. In the next shot, his hair is down again.
  • (at around 33 mins) When the group are at the velociraptor paddock Hammond says "And that's why we're taking extreme precautions". Dr. Malcolm's head changes from looking sideways to being tilted down a lot more. Also Hammond starts to turn and then turns again in the following shot.
  • (at around 47 mins) When Ian uses water to explain chaos theory to Ellie he drops the first water droplet on Ellie's hand and she immediately begins to tilt her head to the left to follow it. The very next shot shows Ellie's head has turned to the right.
  • (at around 29 mins) When the baby Dinosaur is hatching, her arm comes out but in the very next shot it's her head that is coming out.
  • (at around 1h 6 mins) After the T. Rex has flipped the Explorer upside down there's a closeup of Ian, and when it cuts to the T. Rex chomping away on the tire while the Explorer moves around, we can see that the acrylic glass roof is attached to the vehicle with thin cable wire - holes were drilled in the acrylic glass roof and sides of the vehicle.
  • (at around 1h 6 mins) While the T. Rex attacks the Explorer that Lex and Tim are in, during the stunt as the acrylic glass roof comes down on the kids in the interior shots, the strip of duct tape falls through the opening and dangles from the roof of the vehicle - presumably the tape was holding the acrylic glass roof in place before the stunt.
  • While the T. Rex attacks Explorer 4, when Lex and Tim are holding the roof up with their hands and feet, in one of the interior closeups after the T. Rex has lost its tooth we can see the metal post jutting out from the dinosaur's gum, to which the fake tooth is attached in the animatronic's mouth.
  • (at around 1h 3 mins) After the goat leg falls onto Explorer 4's roof, in the first shot of the T. Rex as she lifts her head to swallow the rest of the goat, when the camera tilts up the distinct outline of spray from the rain machine can be seen at the top of the screen.
  • (at around 1h 6 mins) When the T-rex is attacking the vehicle and he has turned it over, the camera pans round behind the T-rex and you see through its legs, the ground all around the base of the beast is dry, but it's been pouring with rain for a while.
  • (at around 20 mins) In the Badlands scene, when Dr. Grant enters the trailer there is a large overhead shade blocking out direct sunlight. On the inside light is streaming through the windows.
  • (at around 1h 45 mins) When Lex and Tim are playing hide and seek with the Raptors in the kitchen, when the camera cuts to a wide shot of the Raptors walking in from a distance, the Raptor on the left looks directly at Tim while he crawls by, but then looks back in the direction it was going.
  • (at around 1h 40 mins) When Tim is shocked off the fence as the power comes back on, the sparking effects are not where his hands are touching, instead the sparks are several inches away.
  • (at around 3 mins) In the opening scene Jophery is being attacked by the velociraptor. As the camera pans along the outside of the cage, in between the flashes one can see his legs inside the cage and that nothing is actually attacking him.
  • (at around 1h 30 mins) When Grant tells Lex and Tim about the breeding he then gestures to the dinosaurs' footprints. Some of the footprints are very square in shape and have obviously been stamped in the ground.
  • (at around 1h 35 mins) When Ellie runs from the Raptor the stunt double who runs for her has on a wig that looks nothing like her real hair. It just looks very fake.
  • (at around 1h 9 mins) When Alan and Lex are holding on to the cable, fearful of the Explorer that is about to come tumbling down at them, you'll notice that the car, if it had been filmed at the same time the actors where there, would have cut off Sam Neill's leg. Lex grabbed the wire in time but Alan doesn't move his leg enough.
  • (at around 1h 55 mins) In the sequence when Lex almost falls from the hole in the ceiling, she looks straight back up at the camera. Rather than cut away from the stunt double at this point, they actually bothered to CGI the actress' face over the top so they could use the sequence right through. Unfortunately you can tell what's been done.
  • (at around 1h 6 mins) The T-rex does not leave or make any footprints in the soft mud during the attack on the car.
  • (at around 1h 50 mins) In the famous kitchen scene, one of the Velociraptors leaps onto one of the counters and knocks over a metal pot with its left foot. The metal pot passes right through the CGI foot.
  • (at around 1h 40 mins) When Tim gets electrocuted and falls back from the fence, look closely when he reaches Grant and you will see a red stunt crane in the background.
  • (at around 1h 7 mins) When Dr. Malcolm gets thrown through the toilet door by the T-Rex, it is most obviously a stuntman that lands on the ground and gets covered in palm leaves.
  • (at around 41 mins) When the Explorers are entering the park through the large wooden gate, during the overhead angle you can see that the perimeter fence isn't continuous.
  • (at around 1h 40 mins) In the shot immediately following Ellie turning on the circuit breakers when the raptor attacks her, we see a light bulb touching its head. There is smoke appearing where the bulb is in contact with the raptors head, the power has been off for a while the bulb would not be that hot after being on for just a few seconds.
  • During the whole scene of the T-Rex attacking the Explorers you see an illumination that moves from place to place. Sometimes the illumination is in the deep woods, and then it is behind the dinosaur when it is next to the vehicle. When the T-Rex first walks up and sniffs Tim and Lex's Explorer you can even see the light to the left of Rex's head. Since the power is out, no lights are on except the vehicle headlights and they aren't making that much light. Also, there is no moonlight since it is pouring with rain.
  • (at around 29 mins) When the baby dino is hatching you can see light from a hole below the egg. This allowed them to push the fake dino through the fake egg shell.
  • (at around 6 mins) Near the beginning, at the "Montana Badlands" dig site of Drs Grant and Sattler, a large shrub identifiable in several shots is creosotebush, a warm-desert plant that doesn't grow anywhere near Montana. Could this be California?
  • At the beginning of the film we are shown an amber mine in the Dominican Republic. This amber is only 45 million years old, Hammond would never bother buying the amber from there as dinosaurs disappeared from the fossil record 65 million years ago.
  • (at around 1h 17 mins) The way the car "slides" down the tree as Grant and Tim are climbing down is very unrealistic. Rather than hugging the trunk like it does, the branches (some of which are thick enough) would deflect it away from the trunk.
  • (at around 26 mins) All dinosaurs in Jurassic Park are cloned from prehistoric DNA "plugged" with frog DNA. So why do they hatch from eggs as shown in the park lab scene? Even more, the shape and size of the eggs doesn't resemble those of any known modern animal species.
  • When Dr. Grant and entourage arrive on the island, the place is crawling with people: dock workers, game keepers, gardeners, kitchen staff, lab scientists, veterinarians, engineers, maintenance workers, builders, etc. A short while later virtually everyone has left for the mainland save for 4 people in the control room. And all of that because of a simple tropical storm common in these parts? Implausible and improbable.
  • When Malcom (Jeff Goldblum) says the critical error in the park. He is using neither Chaos Theory or science in any form. If this were true nothing would go extinct because "life would find a way."
  • (at around 1h 28 mins) When Ellie and Hammond are talking (during the flea circus conversation w/o electricity). All the ice cream is on the table. At the end of the conversation Ellie stands up & reaches a short ways in front of her to get a spoonful of ice cream. When the camera pulls back, the closest tub of ice cream is way too far away for her to have reached it.
  • (at around 1h 50 mins) After the kids escape the kitchen they're in the control room with Alan and Ellie. Lex is getting things running on the computer while Alan and Ellie are trying to hold the door closed to keep the velociraptor out. Ellie tries to get the gun with her foot but cannot get hold of it. Since Tim wasn't doing anything there was no reason he couldn't have gotten the gun for her.
  • Where the T-rex breaks through the fence and pushes the truck over the wall, the fall shows the wall to be at least 3 times as tall as T-rex. At this height, t-rex couldn't even reach the goat to eat.
  • (at around 6 mins) At the beginning where Grant is digging up fossils, and after firing a charge, the person at the computer says the survey is using Radar when it isn't. Firing the charge sends soundvibration into the ground- not Radar waves.
  • (at around 9 mins) In the Badlands, when the helicopter is landing, they scream cover the dig. They are far enough away that the most they would get is a breeze and not the strong wind blowing sandvery small stones around. Also, one would have heard the helicopter approaching not the sudden appearance of the helicopter.
  • (at around 1h 40 mins) When Tim is electrocuted, this would not really happen. Before climbing you see the horizontal cables are held together with vertical cables so all fence wires are positive voltage. The fence works when the dinosaur touches the fence and ground at the same time completing the circuit. That's how birds can sit on live power lines.
  • When they take the tour in Jeeps, they stop at the T-Rex spot. The T-Rex is a no-show to eat the goat. They move on and see a Triceratops and go back, only for the power to go out back in front of the T-Rex and goat.
  • (at around 5 mins) At the dig site where the lawyer shows up (only to find that Grant is not there), they call the manager to a find. The manager tells people to aim their light on the find. Looking at the directions the people are aiming their lights, only one light hits the mosquito in amber.
  • Despite his pride at being such a showman, Hammond made the Tyrannosaurus Rex the second animal on the tour, rendering it rather anticlimactic. Any tour including such an animal would save it for last, for maximum effect.
  • (at around 7 mins) The little boy who annoys Grant at his dig site starts by saying that the Velociraptor skeleton doesn't look very scary. The boy is at most five feet tall, and the monitor is surrounded by a crowd of adults, so he couldn't have seen it.
  • (at around 1h 35 mins) When Muldoon is loading his shotgun he only puts two shells into it. That type of shotgun, a Franchi SPAS-12, holds a total of nine rounds (eight in the magazine tube plus one in the chamber). Considering the situation, and that Muldoon is an experienced hunter, it would make much more sense to load the gun to capacity.
  • (at around 1h 35 mins) Everyone that works at the park had obviously been instructed as to just how intelligent and dangerous the raptors are. So when Arnold goes out to reset the circuit breakers, and saw a giant hole in the raptor fence, why didn't he immediately return to the control room to warn the others and have Muldoon escort him? If Arnold was killed inside the bunker that means the raptors had already escaped and were lying in wait for him.
  • (at around 46 mins) When Malcolm speaks to Hammond through the camera in the car, Grant is nowhere to be seen.
  • Dilophosaurs are identified by the two crests on the top of their skull, which means this feature must have been present when the creatures were born. Paleontologists believe this feature was exclusive to the male, while Dr. Wu is confident that all the animals are born female.
  • (at around 7 mins) Despite fossil evidence, it's a large jump in Grant's imagination to describe the intricate attack psychology of Velociraptors after a gap of 65 million years or more. On the island, he hears from Muldoon how the creatures behave. But earlier, in Montana, addressing the kid, Grant has no such first-hand information available yet. Grant is just trying to scare the kid, and teach him to take the thought-to-be-extinct raptors more seriously. The attack pattern he describes is just a theory at that point (from fossil evidence), and later in the film, it turns out to be true.
  • Ellie's eyeglasses are inconsistent throughout. She doesn't need them outdoors--except when watching the bull being fed live to a raptor. She uses them indoors--but not when talking with Hammond over ice cream or in the emergency bunker, prepping to join Muldoon. She starts putting them on when she and Muldoon emerge to head for the maintenance shed--but in the next shot she's not wearing them at all, and never does again for the rest of the film.
  • (at around 1h 55 mins) Near the end when they call the helicopter and are boarding, Hammond looks back at his park. You can see being standing next to the heli, his clothes are barely moving to the wind.
  • While it is not clear exactly when Dr. Hammond started Jurassic Park, many of the species shown take 20 to 40 years to reach full maturity; thus, it would not have been possible for Jurassic Park to be populated with the species shown in the short time between its implementation and presentation.
  • (at around 28 mins) Scientists or not, Dr. Grant and Ellie would not have been allowed in the laboratory without full protective gear that the other scientists were wearing during the laboratory phase of the tour. Knowing better, they should have at least asked for the protective clothing to prevent contamination.
  • (at around 26 mins) During the automated ride, an animation of how the DNA is manipulated is displayed showing the letter 'B'. The letter B does not appear in DNA. The IUPAC abbreviations for single letter codes are ATGC(U) for DNA/RNA or YRWSKMN for combinations/unknown variations, but never B.
  • (at around 1h 25 mins) When Hammond and Ellie are talking in the cafeteria, the power is supposedly out and the room is lit by candles. However, bright white light can be seen through the porthole window in the kitchen door.
  • (at around 1h 40 mins) The handle to the door of the circuit breaker box is crooked when Ellie grabs it, and she moves it so that it is parallel to the ground. Being crooked means it is already open, while the other position would lock it.
  • (at around 1h 45 mins) Ellie says she has successfully contained the third raptor, "unless they've figured out how to open doors." She encountered that raptor in the locked maintenance shed, so obviously the creature opened the door to get in there in the first place.
  • (at around 1h 4 mins) In the T-Rex scene, right after Dr. Grant says "turn off the light" and the T-Rex passes the front of the car, top left you can see the ceiling of the studio, especially the support beams.
  • (at around 1h 22 mins) When Alan has just climbed up the tree with the children and they're listening to the brachyosaurs just after Alan says " They're singing!" A crisp dark shadow caused by crew/equipment moves on the tree trunk, centre picture.
  • (at around 45 mins) When Lex asks if the T-Rex is going to eat the goat, Gennaro asks. "What's the matter kid? You never had lamb chops?" Lamb chops come from sheep, not goats.
  • (at around 1h 30 mins) Grant, when explaining how the dinosaurs are breeding, says that certain West African frogs have been known to change sex from male to female. The dinosaurs, however, would have had to change sex from female to male.
  • The ancient blood-sucking "mosquito" in the amber head of Hammond's cane is actually a modern, vegetarian, nectar-sucking crane fly.

Spoilers

  • (at around 1h 45 mins) The position of Muldoon's shotgun butt, seconds before he is attacked by the first raptor.
  • (at around 1h 45 mins) Lights visible before Muldoon gets attacked by the raptor.
  • (at around 1h 55 mins) In the final T. rex scene, the T. rex throws a raptor at the T. rex skeleton. The sound for the raptor hitting the skeleton is late.
  • (at around 1h 45 mins) After Tim has been shocked by the electric fence and is left in the dining area with Lex, his hair is clearly standing on end because of the shock. However, when he and Lex are being chased by the raptors in the kitchen, his hair is neatly styled.
  • (at around 1h 13 mins) When the Dilophosaurus first spits at Nedry on the hill, there is nothing on his jacket - the poisonous substance is actually in Nedry's hand, and he smears it on his jacket himself.
  • (at around 1h 40 mins) In order for Timmy to be hurt by the electric fence, he would need some part of his body touching the ground. (It can't be an interlaced fence because there are wires connecting all the cables.) Since he was still several feet up, he is just as safe as a bird sitting on a power line. Even if it was interlaced, energizing it while he gripped it with both hands would not knock him off. He would be unable to let go. After further review, the cables are connected by cords, not wire. So it could (but not must!) be an interlaced fence. At the time the sparks fly, Timmy is standing on one cable, he's holding another with both hands, and a third cable is about level with his knees. If the fence is interlaced, he would be OK as long as he doesn't touch the cable by his knees. (Or come within a quarter-inch of it!)
  • (at around 1h 13 mins) A wire can be seen behind the Dilophosaurus when it spreads its neck frills, before it attacks Dennis Nedry.
  • (at around 1h 55 mins) In the final scene with the T-Rex and velociraptors in the exhibition hall, there are no doors large enough in the building to allow entry by the T-Rex.
  • (at around 1h 55 mins) At the end when Alan, Ellie, Lex and Tim jump on to the dinosaur skeletons to escape, Ellie jumps on the tail end and it breaks off and begins spinning with her on it. The wide shot shows it spinning left to right. But the close up shot that immediately follows shows it spinning right to left.
  • (at around 1h 30 mins) When Grant first inspects the dinosaur nest where he has discovered the eggs, he appears to be sitting on soil, as evidenced by its dark color. In the next shot, where he points out the footprints leading away from the next, it looks like sand.
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