Continuity mistake: In the scene where John is climbing from his hotel room to Kates' room, they should be on the same side of the hall, since he is trying to climb from his window to hers. After he is caught, they obviously go into rooms on opposite sides of the hall.
Continuity mistake: In the gym, when the girls are fighting Kate gets smacked in the face with the volley ball and she falls down to the ground, but in the next shot she's standing behind the girls, then in the next overhead shot of the gym she's getting up.
Continuity mistake: When the four girls are in the bedroom eating pizza and chocolate (after John dumps them all), pay attention to when Carrie, Beth and Heather attempt to leave the room. The number of items Carrie is carrying changes between shots. (00:32:40)
