Continuity mistake: In the shot just before Jules' friend asks, "Can you get us booze?" Seth's collar is folded inwards. In the shot just afterward, it's unfolded, partially obscuring the strap on his bag.
Continuity mistake: While Jon is fixing his contracture with the weight on the door, the position of Wendy's toast on the plate keeps changing depending on the angle.
Continuity mistake: During the very last scene, where everyone follows Bull into the pool, Ashley is one of the people who jump in after Bobby. However, after she has jumped in, the next shot is of her and Erik on the side, after which she jumps in again.
Continuity mistake: At the place where Libby's birthday is being held, when Dennis and Gordon are talking to Libby and Whit, the pictures behind Dennis and Gordon keep moving positions.
Continuity mistake: In the opening scene when Rod is jumping the trailer, in one shot his helmet buckle is undone. In the next shot, it is firmly locked.
Continuity mistake: When Miss Fritton boxes with her niece, Annabelle wallops her aunt, and as Miss Fritton falls backwards we see her shoeless foot fly up. However, when she's lying flat on her back she has both shoes on her feet. (00:42:45)
Continuity mistake: In the scene where Randy is playing table tennis on the stage at the restaurant, just after he has finished hitting the ball blindfolded and says, "Thank you", you can see a man in the background getting up. The shot then switches to the boy with the man in the background still sitting. The shot then switches back to Randy and the man is getting up again.
Continuity mistake: The whole time Dan is in the bookstore and outside talking to Marie, he is wearing a blue undershirt. However on his way home from the bookstore, he runs a stop sign. When the cop comes up behind him you can see that his undershirt is now grey. When he gets home and walks through the door, his shirt has gone back to blue. So Dan's shirt changes a few times when everything is supposed to be in the same sequence of time and events.
Continuity mistake: In the shower scene where the soaps are dropped, what Larry is holding changes constantly. He goes from holding a white tube of something, to holding what appears to be a green shampoo bottle, to digging in a zippered case with his stuff in it, back and forth and around, several times.
Continuity mistake: When Daphne first meets Jason, she places two of Milly's business cards on the table and Jason takes one, leaving one remaining. But when Johnny takes a card for himself after talking with Daphne, there are still two business cards on the table. (00:19:30)
Continuity mistake: At the end of the movie when Evan and God are talking under a tree in a field, God is holding a wooden staff. As the camera cuts back and forth between Evan and God, God's hand changes position from holding the top of the staff like a cane to holding the staff further down like a walking stick.
Continuity mistake: When Remy and Emile are cooking the mushroom on the roof, notice that the mushroom is skewered on the antenna. When Remy and Emile are hit by lightning and sent careening off the roof, the mushroom is instantly on a stick in Remy's hand, instead of the antenna. It could've been sent flying by the lightning bolt, but even if it was, there was no stick in the previous shot for it to have ended up on. (00:07:50)
Continuity mistake: When the guys are being hit by bugs, you see Woody drive past everyone, when he gets hit by the bird you see him passing everyone again.
Continuity mistake: While Eddie is trying to break up with Lila over breakfast, the glasses of water constantly change throughout the scene. Lila's glass is the most notable with the lemon changing size and the ice appearing and disappearing between shots. (01:16:40)
Continuity mistake: When Carter and Lee are fleeing the motorcycle thugs in George's cab, the driver's seatbelt is hanging unused. In the next shot, George is suddenly wearing his seatbelt. (00:34:55)
Continuity mistake: Right before the final race, there is a wide shot of all the surfers. In that shot, Cody has his Big Z necklace that he chucked earlier.
Continuity mistake: In the scene where Sydney and the dorks are giving out free drinks and burgers Dinky comes up to her and begins talking to her. Just after they show the green soy burger, Dinky is to the left of the shot parting her hair: this immediately switches to both her hands down in the immediate following shot. A couple shots later you see the parting the hair shot come back into play at a different angle. (00:59:15)
Continuity mistake: This movie is supposed to take place before the film released with Johnny Knoxville, yet in this film the vehicle is freshly painted and bears the Confederate Flag that wasn't added until halfway through the first film.
Continuity mistake: When John is at the pizza place after jogging, the sweat stain at the top of his shirt continuously changes.
Continuity mistake: Francis' bandages change from shot to shot. Example: When they first leave their compartment on the train to go get a drink, they make their way along an aisle. When Francis says "I want you both to know it", the blue pad is visible over his right ear, but the shot changes as he turns around to say "I love you, Peter." and the blue pad is completely hidden under the white vertical bandage. (00:05:35)