Continuity mistake: Just as Precious is running out of the deli with her stolen bucket of chicken, you can see that she has left her new journal and pen on the counter. Later, in her first day of school, she has the journal.
Continuity mistake: At the first part of the movie when Candy (the prostitute) leaves the courthouse to talk to Derek, her hair moves between shots. Sometimes in front of her shoulder and sometimes behind her shoulder etc.
Continuity mistake: When Maynard is teaching Tony to shoot a gun, Tony fires three shots first. The gun's chamber closes as usual (meaning the gun still has ammo). We see a shot of Maynard, then flick back to Tony and the chamber is now open (meaning the gun is out of ammo). Tony then fires three more shots from an apparently empty magazine before being told to reload. (01:26:40)
Continuity mistake: When Vivian comes out on the porch with a bottle of soda, the level is way under the label. When she goes down the stairs the level is way over the label on the bottle. (00:42:30)
Continuity mistake: When Cole fills the water jug at the creek, it is only about a fourth full of water when he caps it and hands it to Captain Burroughs. A moment later as they are walking away, the jug is almost completely full of water. (00:18:50)
Continuity mistake: When Walter steps into the cat poo he gets it right under the middle of the shoe. When he then lifts his foot to take a look it's stuck under the front of the shoe with no sign of poo in the middle. (00:17:30)
Continuity mistake: When Gigi calls Alex for the first time to get his opinion about a guy "Jarrad", Alex puts her on hold and goes into his office to pick up the call. In the bar the phone line is lit up where it's holding, but the office phone is not lit up at all.
Continuity mistake: In the final scene, after George falls to the floor with a heart attack, the alarm clock is knocked onto the floor but the position changes from near his elbow (in the overhead shots) to closer to his hand (in the floor-level shots).
Continuity mistake: During the song 'Video Girl' watch Nick's tie because the tie is on, then it's off, then on again, then off and so on. (00:23:35 - 00:28:00)
Continuity mistake: Lyn has a patch on his nose and it's loose on one side. In the next scene it's attached tight to his nose again. (01:17:00)
Continuity mistake: When Sugar Bear flies through the air and lands on Truck at the end dance off, Trucks legs bend backwards underneath him. When Sugar Bear gets off of him, he's now flat but his legs are laid straight out instead of bent.
Continuity mistake: Approximately 10 minutes into the movie the main character is going to burglarize a house and there is a guard dog on a chain in the yard that bites him, through a black mask, on his left cheek. After he is in the upstairs bedroom trying to open a safe, you can see blood around the hole near his left eye, but when he pulls off the mask, there is no longer blood on his left cheek, or any signs of a puncture wound.
Continuity mistake: During the scene when Ian is taped to the chair, the duct tape across his shoulders changes from shot to shot. Some times it touches the shoulder seams on his shirt, and other times it is several inches away.
Continuity mistake: When the main characters visit Montreal and with their friends they go out to eat at a diner and he creates a "home" out of 4 toothpicks, 3 sugar cubes and a coaster. As the camera goes back and forth in the conversation, watch the "home" on his plate of pancakes. It falls and appears to be scraped and turned in a different direction on his plate by the end of the conversation.
Continuity mistake: Mr. Nick's cigarette appears at different lengths throughout scene 6. The cigarette appears longer immediately after appearing nearly "burnt out". (00:19:40 - 00:22:25)
Continuity mistake: When she gets the pizza from the guy at the door, it is in a white box. When she goes in and sets it on the counter, it is in a brown pizza box. Then later, when she is running away covered in blood, she grabs the knife on top of the pizza box, and it is white again.
Continuity mistake: In the scene where Ryan and Alex are comparing travel cards, Alex's grip on Ryan's concierge card changes in close-ups.
Continuity mistake: Van Ryberg shoots a grenade, which goes in at an angle from the right of the screen to the left and hits the robot on its right side. Van Ryberg fires another grenade, and this time the grenade travels from the left side of the screen to the right hitting the left side of the robot. The problem is, Van Ryberg didn't move and shot both grenades from the same place, it would be physically impossible for him have hit the robot from both the angles depicted onscreen.
Continuity mistake: Mulan tricks her father into taking his medicine, and everyone has a laugh at him. Between shots she is pouring from the teapot first with the right, then the left, and one of the geezers sitting by is cackling with a different posture and hands switched as well. (00:05:10)
Continuity mistake: When Mary first opens the phone book at the post office she lands on Finklestein but when she puts her finger on the name she chooses it as Hororwitz, even though she never turned the page again.