Goofs for
Jurassic Park (1993) More at IMDbPro »

• Errors in geography: Nedry is shown seated at a beachfront cafe behind the caption "San Jose, Costa Rica". San Jose is landlocked, without any adjoining lakes.
  
  
• Continuity: At the beginning, when the group is walking up to the front door of the visitor's 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.
  
  
• Continuity: When Dennis Nedry checks the security shaving cream canister he places the cream on a pie, in the next shot his hand is completely clean of cream before he wipes his hand.
  
  

• Crew or equipment visible: When the Raptors are being fed for the viewing of the visitors, a crewmember's white shirt can clearly be seen shaking the leaves in the pit as the Raptors attack their prey.
  
  
• Continuity: During the helicopter flight, Malcolm is sitting opposite Hammond, next to the door Hammond is the first to get off the helicopter, followed by Grant, Sattler and Gennaro, but Malcolm disappears from his seat next to the door.
  
  
• Continuity: When the two jeeps are approaching the Brachiousaurs, 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.
  
  
• Continuity: Occasionally Hammond limps with the wrong foot and/or has the cane in the wrong hand.
  
  
• Crew or equipment visible: Stage light reflected on the hood of the Explorer when it hits the bottom of the tree.
  
  
• Continuity: 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.
  
  
• Continuity: 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.
  
  
• Audio/visual unsynchronized: When Lex falls through the ceiling, she is screaming but her mouth isn't moving.
  
  
• Revealing mistakes: 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.
  
  
• Continuity: 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.
  
  
• Crew or equipment visible: 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.
  
  
• Continuity: 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.
  
  
• Continuity: When Dennis crashes the Jeep in the Dilophasaurous section of the island, the Jeep gets stuck on a tree branch. Dennis ties a cable to a tree to free the Jeep from the tree branch. The cable is clearly seen sitting straight. When Dennis is face to face with the lizard in front of the Jeep, the cable is somehow gone. And it stays like this throughout the whole scene.
  
  
• Continuity: 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.
  
  
• Revealing mistakes: 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.
  
  
• Revealing mistakes: 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.
  
  
• Continuity: 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.
  
  
• Continuity: During lunch when Hammond explains to Gennaro that the "park isn't just for the super-rich?", Hammond's hands change positions between shots.
  
  
• Continuity: Near the end, when they enter the helicopter to leave the island, the number on the side of the helicopter is different from the one we see them flying in the next scene.
  
  
• Revealing mistakes: The explorers reach the T-Rex paddock and it breaks through the fence to the explorer's right. Minutes later, the T-Rex sends Tim and Lex's explorer over the same wall it came from. The plunge down the wall/cliff onto the tree is far too large for a full grown T-Rex to "climb over" onto the road. Let alone that in the film, the T-Rex was shown looming above the explorers from the same side of the fence where this "cliff" exists.
  
  
• Factual errors: 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 okay as long as he doesn't touch the cable by his knees. (Or come within a quarter-inch of it!)
  
  
• Revealing mistakes: 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.
  
  
• Continuity: At the beginning, when we first meet Dennis Nedry at the outdoor cafés 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.
  
  
• Crew or equipment visible: 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.
  
  
• Continuity: 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.
  
  
• Crew or equipment visible: When Grant and the two children are being chased, the tire tracks from the moving camera can be seen in the grass.
  
  
• Continuity: 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.
  
  
• Continuity: 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.
  
  
• Continuity: In the very end of the movie, when they are all in the plane headed home, Lex is seen sleeping on Dr. Grant. Her head position changes several times between shots.
  
  
• Continuity: The goat's leg mysteriously disappears just before the T-rex smashes into the roof of the car.
  
  
• Continuity: 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.
  
  
• Continuity: In the scene with Ellie and Hammond, she leans forward to grab a spoonful of ice cream. The next shot is from behind Ellie, and shows her at the end of a long table, with the ice cream cartons 6-8 feet away from her and out of reach.
  
  
• Continuity: When Ellie enters the cafeteria where Hammond is eating ice cream the ceiling fans are working despite the power being out.
  
  
• Continuity: 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.
  
  
• Errors made by characters (possibly deliberate errors by the filmmakers): Disneyland opened on 17 July 1955, not "sometime in 1956" as mentioned by John Hammond.
  
  
• Revealing mistakes: When Alan Grant fires the shotgun he leaves three bullet holes in the glass and leaves all three of the shells Muldoon loaded into the gun in an earlier scene on the floor. Over the phone Hammond hears four shots fired.
  
  
• Continuity: When Neadry gets out of the Jeep to open the gate, he leaves the door open, but when he comes back, it is shut.
  
  
• Revealing mistakes: 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.
  
  
• Errors in geography: 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.
  
  
• Continuity: When Dr. Grant is describing the attack patterns of Velociraptor's to the boy in Montana, his index fingers change from being right next to each other to a few inches apart between shots.
  
  
• Continuity: When Grant, Sattler, Lex and Tim are running from the visitor's 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.
  
  
• Continuity: 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.
  
  
• Continuity: 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.
  
  
• Continuity: 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.
  
  
• Continuity: 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.
  
  
• Crew or equipment visible: A studio light and a potted tree are briefly visible in the background when the T-Rex flips over Lex and Timmy's car.
  
  
• Revealing mistakes: The air which blows off Grant's hat comes from below, not from the T-rex.
  
  
• Continuity: Dr Grant and Lex are shown kneeling next to the Explorer, but just before the T-rex spins the vehicle, they are crouching.
  
  
• Audio/visual unsynchronized: 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.
  
  
• Continuity: The undamaged East Dock sign on road below Nedry's truck crash points up, then left.
  
  
• Continuity: When Dr. Grant enters the trailer, the hatchet on his belt disappears.
  
  
• Continuity: When the car falls into the tree, each shot shows the lights on top of the car pointing in different directions.
  
  
• Continuity: The distance between the wires in the electric fence changes.
  
  
• Continuity: Tim stops climbing down the fence when the green light starts to flash, but in background shots later he can still be seen climbing.
  
  
• Revealing mistakes: "Surveillance camera" views displayed on computer monitors are obviously video clips that are being played back from disk (progress meter on the bottom).
  
  
• Continuity: As Dr. Sattler walks out to turn on the power she puts on the headphones for her walkie talkie. In the next scene they are coiled at her side again.
  
  
• Crew or equipment visible: Lights visible before Muldoon gets attacked by the raptor.
  
  
• Continuity: 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.....
  
  
• Continuity: The position of Muldoon's shotgun butt, seconds before he is attacked by the first raptor.
  
  
• Crew or equipment visible: Arm of crew member when the Velociraptor first enters the kitchen. The Velociraptor was actually a full, but generally immobile, robot.
  
  
• Crew or equipment visible: Shadow of crew member's hand visible causing spoons to drop when Lex is hiding in the cabinet.
  
  
• Revealing mistakes: When Lex is hanging from the bones, she lets go of them then suddenly catches hold again.
  
  
• Continuity: When the Explorer falls out of the tree, the left front headlight gets smashed by a tree branch. As it falls further, the light is on in some shots and off in others, alternating about five times. 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.
  
  
• Revealing mistakes: 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.
  
  
• Continuity: Gennarro 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's attention.
  
  
• Incorrectly regarded as goofs: When initially passing the T-rex 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.
  
  
• Continuity: When Nedry crashes and tries to use the winch to pull the car out, he unhooks and pulls the line twice.
  
  
• Incorrectly regarded as goofs: 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).
  
  
• Continuity: Distance between Dr Sattler and Hammond when he's eating ice cream.
  
  
• Continuity: 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.
  
  
• Continuity: The scratch on Dr. Grant's left cheek continually shifts positions.
  
  
• Continuity: 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.
  
  
• Crew or equipment visible: After the Explorer has fallen out of the tree, the camera zooms into the wheel, where a reflection of a face is visible.
  
  
• Revealing mistakes: Obvious double for Lex when she is swinging with Grant off the T-rex paddock concrete wall.
  
  
• Crew or equipment visible: 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.
  
  
• Revealing mistakes: When Tim gets shocked by the electric fence and flies through the air, the wire holding him up is visible.
  
  
• Continuity: The door of Alan's trailer at the dig site opens on opposite sides.
  
  
• Continuity: 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.
  
  
• Continuity: As the cars are going back to the Visitor Center, they are traveling through dense jungle when they "suddenly" stop, yet in later scenes, they are in an extremely open area.
  
  
• Factual errors: When Nedry steals the embryos from the freezer, some of the dinosaurs' names are spelled wrongly on the cylinder.
  
  
• Incorrectly regarded as goofs: Nedry gathers the dinosaur embryos, frozen in liquid nitrogen, with his bare hands. Brief contact, as shown, is possible.
  
  
• Continuity: 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.
  
  
• Crew or equipment visible: When gate keeper falls off the top of the cage, a crewmember's hand stops the stuntman from hitting the camera.
  
  
• Continuity: 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.
  
  
• Continuity: 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.
  
  
• Continuity: When the T-Rex is crushing the car there is a few inches of wet mud that the kids are stuck in. After Malcolm is rescued the mud is hard and compacted, but it would not have had time to dry.
  
  
• Continuity: 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.
  
  
• Continuity: After falling to the ground, Muldoon reaches to save the gate keeper twice.
  
  
• Continuity: 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.
  
  
• Continuity: Flying to Isla Nublar in the helicopter, John Hammond is facing backwards, yet he still looks out the window, to the rear of the helicopter, and can see the island ("Look, there it is!") which is actually in front of the helicopter.
  
  
• Continuity: 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.
  
  
• Continuity: When Grant approaches his trailer at the dig site, the hinge is on the right. When he steps inside, it is on the left.
  
  
• Continuity: As the jeeps are approaching the brachiasorauses, Dr Grant's head turns to his right, facing the dinosaurs. In the next shot, he turns again and is surprised to see them.
  
  
• Audio/visual unsynchronized: 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.
  
  
• Continuity: 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.
  
  
• Continuity: 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.
  
  
• Errors made by characters (possibly deliberate errors by the filmmakers): In the embryo freezing chamber, Tyrannosaurus Rex is spelled with only one "n" instead of two. Also, Stegosaurus is spelled "Stegasaurus".
  
  
• Continuity: 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.
  
  
• Revealing mistakes: When 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.
  
  
• Continuity: 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.
  
  
• Incorrectly regarded as goofs: A velociraptor is generally believed to have been 3ft tall and 6ft long. In the movie, they are 6ft tall and 9ft long. Its dimensions are based on another dinosaur called Deinonychus, which was referred to by paleontologists as "Velociraptor antirrhopus" during the early nineties (when the film was being made). Therefore, a mix up was natural (this is mentioned in the book).
  
  
• Revealing mistakes: 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.
  
  
• Factual errors: In the scene when the helicopter is "flying" straight down in the closed in canyon. In the dynamics of vertical flight (helicopter) this type of maneuver cannot happen. It's called settling with power.
  
  
• Errors made by characters (possibly deliberate errors by the filmmakers): Dr. Grant several times refers to the T-Rex as "he" when supposedly all of the dinosaurs on the island are female.
  
  
• Continuity: 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.
  
  
• Revealing mistakes: 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.
  
  
• Continuity: 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.
  
  
• Revealing mistakes: 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.
  
  
• Revealing mistakes: 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.
  
  
• Continuity: 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.
  
  
• Continuity: When Dr. Sattler finishes flipping all the power switches in the powerhouse, she is attacked by the raptor. When she is limping/running towards the door she is dragging a flashlight connected to her by a line. When she turns the corner she slams a door shut against the raptor but the line is not trapped or seen again when it should have been caught in the door, holding her back. Instead she runs from the building, again, no trace of the line or flashlight.
  
  
• Miscellaneous: When the helicopter is flying through the canyon you see the helicopter as though you where on the hillside. Some hair is clearly visible in the left hand corner of the screen
  
  
• Continuity: 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.
  
  
• Continuity: 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.
  
  
• Revealing mistakes: 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.
  
  
• Errors in geography: San Jose, Costa Rica is a bustling metropolis that is in the middle of the country. There are no beaches anywhere near San Jose, with the closest beach being Jaco (a 1.5 hr bus ride away) and it is considerably more populated.
  
  
• Continuity: When the helicopter is landing on the island, you can see two jeeps waiting for them. However, once they land the jeeps are pulling up to them.
  
  
• Continuity: The bag of money Nedry is holding disappears between shots when Dodgson shows him the canister.
  
  
• Factual errors: The velociraptors in Jurassic Park said to be around six feet tall. In reality, they were barely two feet high at the hip. The raptor's increased size was a deliberate move for obvious reasons. Jurassic Park's version of the velociraptor was actually modeled from a relative of the velociraptor, the Deinonychus. Even so, the Deinonychus was still under a meter high at the hip.
  
  
• Factual errors: As Dr. Grant lectures the cynical boy at the dig site about the velociraptor, he says the raptor's large claw is located on its middle toe. In both real life and the film, the claw is on the inner-most toe of the velociraptor's foot.
  
  
• Factual errors: 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 documentary series "The Truth About Killer Dinosaurs" also conducted an experiment to see if the claw could eviscerate flesh. It couldn't.
  
  
• Continuity: 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.
  
  
• Factual errors: After shooting the velociraptor, Grant drops the shotgun on the ground, with the action open and the ejection port facing up. There is visibly a shell halfway out of the receiver.
  
  
• Errors made by characters (possibly deliberate errors by the filmmakers): Dr Hammond claims that he is present at every birth, but it was certainly not the intention in this case as he was demonstrating the facility to the visitors.
  
  
• Revealing mistakes: On the scene when the T-Rex comes out of his area and walks in front of Dr. Grant and Dr. Malcolm's Explorer, the car and the camera moves on every step of the dinosaur as it is so heavy that he makes small "earthquakes", but the Jurassic Park logo hanging from the mirror doesn't moves at all.
  
  
• Continuity: While trying to exit the roller coaster ride at the visitor's center to enter the lab, Dr. Grant, Ellie and Ian have to combine their strength to lift the bars in the first row. As they leave the room, Hammond opens the entire second row of bars with one hand.
  
  
• Incorrectly regarded as goofs: If Site B was where the dinosaurs were bred (In 'The Lost World: Jurassic Park') 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.
  
  
• Factual errors: In addition to changing the size of Velociraptor for the film (making it larger than it was in life), Spielberg also portrayed Dilophosaurus as far smaller than it actually was. In the film, Dilophosaurus appears to be about 6 feet long and three feet tall; in reality, it was approximately 20 feet long and ten feet tall, far larger than Velociraptor.
  
  
• Revealing mistakes: 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.
  
  
• Incorrectly regarded as goofs: In the scene 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.
  
  
• Incorrectly regarded as goofs: 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.
  
  
• Plot holes: When the car is in the tree, Tim gets out of the side door on the car. Simply getting out of the side would get both him and Dr. Grant out of the way of the car when it falls. Why do they have to get back in front of the car? Just so it can chase them down the tree?
  
  
• Plot holes: 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.
  
  
• Errors made by characters (possibly deliberate errors by the filmmakers): Just after they arrive on the island, Gennaro tells Hammond (about the investors) "If they're not convinced, I'm not convinced." Within the context of the scene, the line would make much more sense if it read "If I'm not convinced, they're not convinced."
  
  
• Plot holes: 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.
  
  
• Continuity: 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 they approach the island he could not possibly see it. When the helicopter lands Hammond is on the right side with Gennaro across from him.
  
  
• Factual errors: We are told that the dinosaurs have been bred to be lysine deficient. However, lysine is an amino acid that cannot be produced in an animal's body anyway. It has to be ingested. So Dr. Wu's alteration is both impossible and unnecessary.
  
  
• Revealing mistakes: When the T-Rex flips over the 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.
  
  
• Continuity: When the raptors are being fed, the bull is in a harness and lowered into the pit. When the raptors are done, the harness comes back up, ripped to shreds, but there is not so much as a drop of red.
  
  
• Crew or equipment visible: When the automated Ford Explorer "ride vehicles" arrive at the visitor's center to pick up the scientists, kids, and the lawyer, a front shot of one of the vehicles clearly shows a small monitor camera (resembling a small security camera) mounted in front of the vehicle grill and above the bumper; this camera was used by a driver hidden in the cargo area of the Explorer in order to see in front of the vehicle from a small monitor, giving the illusion of an automated vehicle. A static display of one of these vehicles at Universal Orlando's Islands of Adventure showed the real driver's area located in the cargo section of the vehicle. The driver would lay on his side, operating remotely mounted pedals (for gas and brake) and a pulley-system remote steering wheel while viewing the small camera monitor.
  
  
• Factual errors: In the scene where Grant feeds the Brachiosaur, the dinosaur clearly chews the leaves/branch. This isn't possible since sauropods (the family that Brachiosaurus is from) couldn't chew their food; they didn't have the teeth for it.
  
  
• Continuity: 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.
  
  
• Continuity: 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).
  
  
• Errors in geography: Dr. Grant is shown at the beginning of the film excavating a velociraptor in Montana, when in actuality velociraptors have only been found in central Asia.
  
  
• Incorrectly regarded as goofs: When Hammond shows the guests the park lab, shortly after the scene involving Mr D.N.A, Gennaro mistakenly refers to the park scientists as "autoerotica". However this could've been a joke added by the director to show he clearly doesn't know what he is talking about, after all he's only in it for the money.
  
  
• Revealing mistakes: 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.
  
  
• Plot holes: The Velociraptor, is established as very intelligent and a master hunter in the film. They can seek out Muldoon and others through the trees with clever hunting tactics, yet at the very end in the lobby right before they are about to attack Grant, Sattler, and the kids, they don't notice a giant t-Rex sneaked into the open space lobby. With speculation by scientists upon the factual accuracies of these dinosaurs in the movie (and novel), this might be feasible, because scientists generally doubt raptors are as intelligent as they are in the film, but in the context of the story, it doesn't add up.
  
  
• Errors made by characters (possibly deliberate errors by the filmmakers): When Dr. Grant and Dr. Sattler are trying to shield the door from the Velociraptors, Lex goes to examine the computer and reinstate the locks. She observes that it is a UNIX system, and claims that she "knows this." However, just because it is a UNIX system, that doesn't mean she knows where the files are like she does in the film. For example, it would be like her saying that it is a Windows 2000 system, therefore she knows the passwords and locations of files.
  
  
• Factual errors: In the movie there is a reference that Disneyland was opened in 1956. The actual date was 7/20/1955.
  
  
• Revealing mistakes: When the Dilophosaurus first spits at Nedry on the hill, there is nothing on his jacket - the black slime is actually in Nedry's hand, and he smears it on his jacket himself.
  
  
• Errors made by characters (possibly deliberate errors by the filmmakers): After Grant and the others force themselves off the "ride" they enter the incubation area through a sterilization chamber. Yet inside, Henry is writing with a pencil and casually brushes shavings and eraser off the board and onto the floor.
  
  
• Revealing mistakes: 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.
  
  
• Revealing mistakes: 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).
  
  
• Revealing mistakes: 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.
  
  
• Factual errors: The whole 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." Mosquitoes do not suck plant juices.
  
  

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