Continuity mistake: Right after the beginning credits, Jacques the chef walks through the door holding a plate of food with both hands. When the shot changes, he is walking through the door but is now holding the plate of food with one hand and has a fork in the other and has just taken a bite.
Continuity mistake: When Samantha is sitting at the foot of the bed with an ice pack on her head, eating toothpaste, in one shot she spits some toothpaste out and it goes over Chris' hand. In the next shot his hand is clean. (00:36:55)
Continuity mistake: When Kutcher and Peet are in the restaurant, the amount of water in their glasses change from full to empty to full to half full, in about one or two scenes.
Continuity mistake: Rebecca's hair changes from in front of her ear to behind it, while she is talking to John from the car. (01:24:35)
Continuity mistake: When Mr Alfred steps into the dog poo, it is on the front part of his shoe. As he shows this shoe to Preacher, it is now in the middle.
Continuity mistake: During the "Battle Dance", there is a shot that focuses on Adam and a group of dancers. In the lower right corner you see a guy in black with long hair run to join their group. However, in the next shot, that same guy is standing behind Adam's rival, snaps his fingers, and runs to join Adam's group.
Continuity mistake: When Holly is bathing Zoe, the bubbles keep disappearing and reappearing during different consecutive shots.
Continuity mistake: When Ron is showing Eric the lunchroom, Eric points to Kim and says" Who's that?" We see Kim getting her lunch in a blue tee shirt and brown pants. Ron and Eric sit down. Kim joins them, now she is wearing a red tee shirt and grey pants, however.
Continuity mistake: When Max Bialystock is singing "Along came Bialy", and the old ladies start coming out of the apartments, the first lady who comes out isn't there in the next shot.
Continuity mistake: When Granny uses her solo ski as a snowboard the ski becomes much bigger on its own.
Continuity mistake: After Dan is injured a bandage is placed horizontally above Dan's left eye. In all subsequent shots and scenes the bandage is at an angle.
Continuity mistake: After Perry and Harry leave the lake with the girl in the trunk, the headrests are missing from the front seats, but when the shot cuts to them arriving at Harry's hotel, they reappear.
Continuity mistake: In the scene where the Griffins are having breakfast and Stewie is drunk, Brian has one egg on his plate, and some bacon. After Stewie jumps from the shelf, Brian has two eggs and no bacon.
Continuity mistake: In the scene where Simon is having dinner with Theresa's family, Theresa has a bowl of salad. She puts some salad on her plate and then some on Simon's plate. When the shot changes she is putting salad on her plate and Simon's plate again.
Continuity mistake: After Train transports everyone across the narrow bridge over the lava, he slouches down to the ground in relief. In the next shot he is standing straight, looking normal.
Continuity mistake: When Valiant flies down the gun barrel, he takes off his backpack and helmet, and he lays them down in the barrel before squeezing through the back of the gun. When he comes back out through the gun with the other birds, the backpack and helmet are not there.
Continuity mistake: When Jennifer Aniston is back in her old room in her parents' house, she has a pink Magic 8-ball on her desk. The ball moves from the middle shelf to the bottom one and back again.
Continuity mistake: During the scene where the baby is peeing on Tim, in one shot his hair is wet, in the next it's dry and in the next shot it goes back to wet again.
Continuity mistake: Ben is lounging around and watching a Sox game on TV. The first shot showed a lot of stains on his shirt. Between shots the stains vary, with at least one shot with hardly any stains at all.
Continuity mistake: When Terry is driving to see Denny, there is a shot from inside her car where the rear-view mirror is not attached. The next scene in which she is driving to Terry's, her rear-view mirror is mounted on the windshield.