Continuity mistake: When the Master Diver is preparing to go under water to take the final exam, he is shown being fitted with a brass helmet with a window on top. In the next shot as he is descending the ladder into the water, there is no window.
Continuity mistake: When Profion approaches the wheel with the sword, the wheel is almost stopped with the white blob on the right. Shot changes to the wheel totally motion less and the blob is on the left.
Continuity mistake: Luke McNamara is handcuffed behind his back at the police station but as he is loaded in to the ambulance he mysteriously is cuffed in front. [The handcuffs inside are normal police issue handcuffs and outside as he's getting into the ambulance they're attached to a belt, normally used for criminals they consider dangerous.]
Continuity mistake: When Ray gives his girlfriend the present right at the start, her bag moves up her arm when the shot changes. (00:01:10)
Continuity mistake: In the beginning of the movie when the letters of "Univershell" rotate around the Universal-logo globe, Earth is pictured as preglacial one-continent planet. When it's pictured as a background looking from out of the UFO it's the regular spaceview of Earth.
Continuity mistake: In the scene in the mine, when the killer attacks the black guy, his miner's light is knocked off. A few seconds later when it switches back to him, he's wearing it again.
Continuity mistake: In the final scene in the cave, the protagonist walks under the rain and becomes wet. After the whole poisonous needle thing, the camera cuts back to her and she is completely dry. (01:41:15)
Continuity mistake: When Agent Connolly first finds the bomb on the ship, he is knocked over by Iris, dropping his gun. In the next scene, when they are running up the stairs, he has the gun, which he forgot to pick up.
Continuity mistake: When the they first show the Evil Snow-Plough Man, he's chasing kids and they run off to the left side of the road as proven when the kid's sled gets crushed. However, once he's past, they all pop up from a mound of snow on the right side of the road.
Continuity mistake: In the hospital scene, Audrey's mother is sitting down with the bed table to her left. We see her start to rise, but when the shot cuts, she's suddenly standing at the bedside on the other side of the table, with no time transition included for her to get there naturally. (01:57:30)
Continuity mistake: The grown up Billy in the end of the movie has brown eyes where as Jamie Bell's (Billy's) eyes are blue.
Continuity mistake: In the scene where the Dr is explaining that his daughter might be a lesbian to Helen Hunt's character, when they move over to the desk area Helen's arms move from both hands leaning on his chest to only one back to both.
Continuity mistake: Several times through the film the Crocodile changes size from the size of a 30 foot croc to the size of a miniature barn.
Continuity mistake: A distant shot shows them driving across a bridge. They are driving in the wrong lanes - the film must have been reversed.
Continuity mistake: When the drunk fat guy falls down in Dawson's flashback, his hat falls off, yet in the next shot the hat has reappeared back on his head.
Continuity mistake: In the scene where Jody is with her boyfriend on his bed, as he holds her neck the shot changes and he is holding her shoulder. This repeats a few times.
Continuity mistake: When Micky is talking to the guy outside the audition room, he has a red book and pencil with him. When he goes into the audition room, the book has disappeared.
Continuity mistake: When Dawn goes to see Dr. Parella when she has the urge to cut with the piece of mirror, she cuts in the stairwell and then throws the piece of mirror on the floor. There is a distinct smashing sound that would indicate the glass has been shattered, however when Dr. Parella goes to the stairwell, the piece of glass is completely intact.
Continuity mistake: When Bateman goes to Paul's apartment to pack up his stuff to "send him to London" after killing him, as he is packing the bathroom light is off and then about 2 seconds later the light has come on by itself with him nowhere near the room.
Continuity mistake: During the scene at the festival, note the guy with the long hair, round sunglasses, and a purple & gold silk indian shirt. 1st seen bottom left corner, when the camera pans to the actor's view. Then watch how many times he shows up. In front of, behind, just about everywhere. In fact on the day of filming, he was awarded 'extra' in most scenes. That was by the film crew, before any editing, and was given Dave Stewart's hat for his trouble. Submittted by the extra himself.