Continuity mistake: In the second wedding scene the amounts of confetti everywhere, changes.
Continuity mistake: In the scene after the 'one year later' title, where Anderson wakes up on the couch, he is wearing red plaid boxers. The following shot shows him feeding the mouse, followed by a shot of Anderson again, but this time he is wearing grey underwear while he drinks pickle juice.
Continuity mistake: After Marnie and Dylan get out of the cab and walk up to the first building, they're not carrying the luggage, then in the next scene, they have the luggage again.
Continuity mistake: Right after Karen bites her father's neck, a bandage is placed on it. Immediately after this, Gerald fights his way to the house and they let him in. For several shots, there is no bandage, wound, or even blood on the father's neck while Gerald is explaining what's been going on. Then suddenly a close-up of the father shows that the bandage has re-appeared without anyone putting it there.
Continuity mistake: When John C. Reilly is in the dressing room telling the airplane story, the time changes back and forth on the clock behind him.
Continuity mistake: When Taj is proposing the challenge to Charlotte the close up shots of him show him facing straight on standing square, but the distance shots he is standing at about a 45 degree angle to her looking to the right to talk to her, not facing straight on to her. (00:35:20)
Continuity mistake: When Sheldon takes his son to school (right after the family picnic where they all heard him claim Ryan as his lover), in one shot his son takes his seat belt off, then two shots later when the son is going to get out of the car, he takes the seat belt off again.
Continuity mistake: When young Kostya is standing on the table with the jump rope tied round his neck, its knot repeatedly changes position, from Kostya's front to his back.
Continuity mistake: When Joe meets the President he is wearing orange Crocs, but when the President grabs his head he is wearing black flip flops.
Continuity mistake: In the first movie, the prince has a little sister. She's mysteriously missing from the second movie, as if she never existed in the first place. I know she wasn't important to the plot, but still.
Continuity mistake: When the bulls are chasing the guys at the start of the movie, they run past the same black car twice.
Continuity mistake: Outside the building after Caroline wins the head-to-head against her colleague, Sylvia says "I feel sorry for Warren." At the cut, extras appear around the group all of a sudden coming out of the doors that were closed before. (00:34:10)
Continuity mistake: When Raven is attacked by the shadow creature in the graveyard, it leaves a number of smears (ink) on her cloak. But as she proceeds to phase through the tombstones in an attempt to shake it off, the smears have vanished.
Continuity mistake: During the cooking scene, Baelyn Neff sometimes wears a bellybutton piercing and sometimes not. (Time code from PAL DVD.) (00:59:05)
Continuity mistake: During the bus scenes near the beginning (that take place after the paintball sequence), the backgrounds looking out the windows of the bus change in the shots. Some of the scenery outside is city, back to open land, and back to city.
Continuity mistake: Used condoms start trickling down from a jar stuck in a tree. The woman subjected to this unusual rain looks up and one of the condoms gets on her face, over her eye. When the big bundle of condoms drops on her head, it is shown through two shots that are not at all in continuity with one another; different posture, head angle and the eye condom is gone and then back. (00:40:15)