Continuity mistake: When Choco and Ed get into a fight in the hotel room, Choco puts a gun to Ed's face and pulls the hammer back of the revolver. Ed backs away and it shows Choco pulling the hammer back a 2nd time. You can hear the click of the hammer both times.
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: After Jimmy draws the pentagram on his hand to connect the dots, he holds up his hand to show his sister and the drawing is different from the one shown before. The outline is much darker.
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 Johnny is walking out of the dirt bike stadium, he has his arms around two women's shoulders. The shot changes, now the two women are holding on to his arms. The shot changes again, and now his arms are free. It happens too fast for him to just let go of the women. (01:00:35)
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 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 in the Abbey, Bovver is on a table singing West Ham's team song. When everyone sings "Lets go F*ing mental" and starts throwing beer on Bovver his hair gets visibly wet. It cuts to another shot then back to Bovver whose hair is now dry. He is again doused in beer, then confronts Matt in the bathroom again with dry hair and clothing.
Continuity mistake: When Granny uses her solo ski as a snowboard the ski becomes much bigger on its own.
Continuity mistake: The name on Travis' helmet switches between 'Ryer' to 'Travis' several times throughout the movie.
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: When Steve Martin is talking to Claire Danes (I forget the exact time; she's wearing a tan sweater, I remember), she's sitting on a bed. At one point, she leans forward. The very next shot is of Steve Martin standing in front of a mirror opposite the bed - and in that mirror, Claire Danes is sitting *back*.
Continuity mistake: When Bob and Robby are eating Mexican food, Robby borrows a bottle of hot sauce from a neighboring table. When he gets done putting the sauce on his food he places the bottle on the right side of the table. The bottle remains there until the end of the conversation. At the very end of the conversation we see that the bottle is now in the center of the table directly between them.
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: When Tim goes to the house and Kate falls off her horse, they go inside. When she leaves you can hear a car engine start. If she rode her horse to the house how did she get her car there?
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: The outline of the heart the little girl drew on the window change from when she drew it to when Jodi Foster breathes on it. This has nothing to do with the inside/outside shot of the heart. (00:14:55 - 00:50:20)
Continuity mistake: When Minty arrives at the North Pole in a balloon, she passes Santa's house twice.