Goofs for
Deep Blue Sea (1999) More at IMDbPro »

• Continuity: When Tom Scoggins is thrown into the generator by the shark, electricity arcs through the water, but Carter Blake and the shark itself are apparently unaffected by this.
  
  
• Revealing mistakes: Just after Jim Whitlock has had his arm bitten off and falls to the ground, you can see his real elbow coming up from his back under his shirt.
  
  
• Continuity: After Preacher is caught by the shark, he uses his cross to poke the eye of the shark; in later scenes, the shark's eye is fine.
  
  

• Factual errors: Carter Blake rubs the body of a shark back and forth with his bare hand(s), as if the surface were smooth (as that of a dolphin). In fact, shark scales are quite rough, and this kind of petting could cause the hand to bleed. At any rate, Carter would not be able to pet the shark with as gentle a motion as he was in the movie.
  
  
• Revealing mistakes: When Preacher, the chef, is climbing up on the shelving in the kitchen to save Bird, you can clearly see the kneepads under his wet pants.
  
  
• Continuity: Near the end of the movie, Carter is swimming back to the wet lab through flooded passageways. At the beginning of the swim, his left shoe is completely untied - you can see both laces floating. In the next full body shot (where his shoes show) the shoe is tied again.
  
  
• Continuity: Carter pries open a door with a knife that is on a sheath on his leg. The knife breaks and he throws it away. In the final scene, when Carter and Preacher are laying on the wreckage, the knife is clearly visibly back in the sheath on Carter's right leg.
  
  
• Factual errors: When they open the door to the shaft when being in the docking area, there is a couple of seconds delay before the water starts rushing into the room. That would have happened instantly. This cannot be explained by some hatch/door/similar collapsing farther up the shaft because this would have caused an immediate and very noticeable rush of air into the shaft.
  
  
• Factual errors: Many times we are shown people able to close doors even though copious amounts of water and air are rushing though them. This is clearly beyond the ability of humans. Their ability to do so cannot be explained by other devices attached to the door because those devices would have prevented them from opening the door in the first place.
  
  
• Revealing mistakes: Numerous scenes reveal sharks as computer animations due to motions that simply are not possible under water.
  
  
• Crew or equipment visible: As the elevator shaft starts to get flooded, Carter and Scoggins stay behind to shut the steel door. Just before they do, the green screen is clearly seen on the other side of the door.
  
  
• Continuity: As Janice and Franklin first talk near the water with the control tower behind, the sky alternates between partially cloudy and clear between shots.
  
  
• Revealing mistakes: In the beginning when the shark is going for the swimmers that fell off the boat, the shark stops moving before he is shot by the shark wrangler.
  
  
• Continuity: When Carter is removing the license plate from the shark's mouth he is wearing fins. As he is helped from the water, he bends down and is wearing a pair of sandals.
  
  
• Continuity: The above water fences were shown to be of the chain-link variety. Which is wire strands bent in a zig-zag pattern and interlinked to form a diamond pattern. However, when it was revealed that the sharks were sinking the facility to escape through the weaker, above water fences, the fence that the shark was tearing apart had a square pattern (resembling the flexible, titanium underwater fence), and the shark was pulling long, straight strands out of the fence.
  
  
• Continuity: In the beginning of the movie with the party on the boat and the Gen 2 shark attacks the boat. On the boat the people are listening to a boombox with a teddy bear on it, as the sharks attacks the boat the boombox falls of the boat and into the water, but for a split second the camera shows the boombox still on the boat in its original place.
  
  
• Revealing mistakes: When Preacher shoots the shark with a harpoon, it goes through the shark's dorsal fin and supposedly impales Carter Black's right thigh. But in the next shot, just before the shark submerges, you can see the strapping arrangement used to fasten the harpoon tip on top of his leg.
  
  
• Continuity: When they are extracting the protein from the shark, the monitor displays real-time MRI imaging showing the insertion of the probe into the shark's brain. This is impossible, since they removed the imaging device before placing the probe jig.
  
  
• Plot holes: It is explained that the sharks are smarter and can now swim backwards. However, sharks are not "too dumb" to swim backwards, they are biologically incapable of doing so.
  
  
• Factual errors: The "tiger shark" near the beginning of the movie is not shaped like a real tiger shark even though the movie shark has similar markings on it's back. A *real* Tiger shark has a blunt rounded nose, and jagged odd shaped teeth. The Tiger sharks in the movie are re-dressed Mako sharks.
  
  
• Continuity: When Preacher is leaving his "legacy", the distance he holds the camera from his face changes between shots.
  
  
• Factual errors: When the door from the sub pen into the elevator shaft is opened, there is a gust of wind into the actors' faces from the shaft into the room. If the sub pen were actually pressurized, the wind would have come from behind the actors and blown into the shaft, as the air pressure in the shaft would have been lower.
  
  
• Factual errors: After Susan electrocutes the shark while in her underwear, she looks at the research data that has been destroyed by the electricity. It has been burned and shows carbon stains as if it had been in a fire. This could not have happened while in water and the data probably would not have been damaged at all from an electric charge in the water.
  
  
• Factual errors: When the researchers are extracting the protein from the shark, the shark's ECG (electrocardiogram) tracing is shown on a vital signs monitor. Not only is the tracing being refreshed right to left, i.e. backwards (which is never done on a real monitor), but the ECG pattern itself is not that of a shark.
  
  
• Continuity: The sharks in the movie are huge but in many scenes are not seen by the characters being attacked in waist deep water.
  
  
• Continuity: When Whitlock is first bitten, his arm is severed at or just below the elbow. In subsequent scenes, the remainder of his arm gets progressively shorter. In the last scene before they exit the elevator, there is only about 6 inches of arm left below the shoulder.
  
  
• Errors made by characters (possibly deliberate errors by the filmmakers): When Jim is thrown against the window/glass and it starts to break, Janice's facial expression changes from blank to crying between shots.
  
  
• Continuity: Before, during the time and after Susan electrocutes the shark, she goes from dry to being covered in sweat from shot to shot.
  
  
• Continuity: When the shark attacks the oven with Preacher inside of it, it switches the oven on, but in the previous shot that shows the entirely front of the oven the panel is already on.
  
  
• Continuity: Towards the end of the movie when the carter, preacher, and Susan are about to make the long swim to the surface, right after the air tanks deploy, the first close up of Susan waiting for the others clearly shows Susan's head about a foot beneath the surface of the water, when they are supposed to be 60 feet under water.
  
  
• Factual errors: In the beginning of the movie they had a very heavy teddy bear on board, since it sank very quickly.
  
  
• Factual errors: At the end of the film, Dr. McCallister jumps into the water having cut her hand to attract the attention of the shark with her blood. The time taken for the shark to detect her blood is extremely short - far, far shorter than the time it would take for it to diffuse through the water even if there were considerably stronger currents than were visible.
  
  
• Continuity: After Janice has been eaten by the shark, the rest of the characters are trapped on the broken latter and are then being saved by Preacher, using some sheets tied together. After being rescued, they pull in the sheets and closes the door after them. Later on, when Preacher has just made his tape, the sheets are hanging outside the door again.
  
  
• Factual errors: During the Climax of the movie, the survivors make an improvised explosive using the black powder from 10 flares. One of the characters mentions that they could get 2 1/2 sticks of dynamite form the flares. In truth the flares they're using each contain only about 1.5 grams of black powder. They would need 450 of those flares to get the equivalent of 2 1/2 sticks of dynamite.
  
  
• Continuity: When Carter first grabs the "Tiger" shark's Dorsal fin as he tries to remove the license plate, there are several wide shots that show he is too far from the mouth to be able to reach the plate, which would be accurate with the portrayed size of the shark. In the close-up shots, he is still holding onto the dorsal fin, but is able to reach the mouth.
  
  
• Factual errors: Titanium, space-age material though it is, is only stronger than stainless steel in a strength to weight comparison. For a given cross-section (or wire thickness), the two metals are comparable in strength. There is thus no need to use this pricey material for fencing.
  
  

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