Continuity mistake: During one scene, in numerous shots Ben pushes the throttle lever all the way up, but in shots between he never actually pulls the lever down.
Continuity mistake: In the scene where Josh Hartnett is about to break his vow in the bathroom, he opens the window and jumps out. In the shot of people looking at Jerry, the window is closed when no one touches it. (01:00:40)
Continuity mistake: In the last shot of Day-Day in bed with two girls, his hat falls off, then is back on, between shots.
Continuity mistake: When Rex strangles Pluto, Dina, who was right by Pluto's side in the close-up, disappears in the side-on shot.
Continuity mistake: When Carmela comes to Pero's place and surprises the gang he greets her trying to act cool, leaning against the wall with his arm up. There's a brief shot of Carmela where we also see a bit of Pero who is not moving at all, then the camera is back on Pero and he raises his arm again. (00:55:15)
Continuity mistake: At the end of the movie, when Melanie is on the beach with Jake and she goes to kiss him she has her hands on his face, but in the next shot her arms are stretched out and she wraps them around his neck. (01:36:20)
Continuity mistake: During the ice show Smoochy gets crowned by the fairy who flies in from above. Right before he sits down at the desk to read the "Smoochy Hits #1" issue of Variety, the crown falls off and rolls away across the ice. When he's sitting at the desk, the crown is back. (01:32:51)
Continuity mistake: Rachael leaves the party with one hairdo, and arrives at Cassandra's place a few minutes later with a completely different one.
Continuity mistake: After his arrival at Hawaii Barry calls his sister from a phone booth to ask her for Lena's hotel and phone number. From the side we see two men standing next to him, but between shots these two men get replaced by two women. (01:01:35)
Continuity mistake: Right after Paul goes home with the doctor, the doctor and his wife are clearing the dinner table talking about Paul staying at the house. The wife turns to the dinner table and is holding 2 napkins. The camera angle changes and the wife is now seen walking 2 glasses over to the sink.
Continuity mistake: When Spyder is arrested he is more or less naked because the cops wouldn't let him dress. Then in jail you see him and Cook talking and he's got nothing but a blanket on. However when the show a clip of him during his arrest on 'Bust TV', he has a t-shirt on.
Continuity mistake: When Igby's dad breaks the shower door, he breaks it with his right arm. The next shot has him cradling a badly cut and lacerated left arm.
Continuity mistake: At the start when Pistachio's dad is in the car, you see in the background that they are on a road, but when you see a wider outside shot, he isn't driving on a road.
Continuity mistake: In the scene where White She Devil is pursuing Undercover Brother on a motorbike, her helmet changes from one without a visor when the shot is a close-up her face, to a different helmet with a visor when the shot is from further away.
Continuity mistake: When you first see Betty swinging the chain near the waterfall, in the first shot of him the water is quite rough, but in later shots it is really smooth.
Continuity mistake: In the scene where Christina decides not to be afraid anymore and runs after Peter, she comes out of the house and first shouts while facing in the wrong direction. She knew that he went the other way, because she saw him leave. (Shot at different times, confirmed on DVD commentary.) (01:19:25)
Continuity mistake: When Lanie is talking to her sister at her sister's house, they are seated across from each other on sofas. Her sister has a plate of cookies in front of her on the coffee table. As Lanie and her sister are talking and her sister gets up towards the end of the scene, the plate of cookies have moved across the table in front of Lanie.
Continuity mistake: When Davey Stone is running away from the police while singing, after he says, "But I'll give this old lady's melon's a squeeze.", he swings around a street pole. The garbage can lid he is riding on has no handle, but when he slides down the hill and jumps over the front of a snow plow, the lid has a handle.
Continuity mistake: About 35-40 minutes into the film, Jules and Jess are at the bus stop. Pinky's future in-laws drive by in the Jaguar with nothing in front of them. When the camera shot moves back as they enter the bend, another car has appeared in front of them.
Continuity mistake: Near the end of the movie, Calvin is sitting on a couch and his pregnant wife comes in with a mug of something and sits next to Calvin. They start to talk and she takes her left hand off of the mug and lays it on the side of her stomach. The camera angle cuts to the back of the couch and both of her hands are on the mug. The camera angle cuts back to the front and her had is on her belly again.