Revealing mistake: At the beginning, the dead policeman can be seen rolling himself with his arms. (00:06:45)
Continuity mistake: In Steve's first class, in the sweeping shot as the teacher walks across the room, there is a random extra sitting behind Steve and to the right who suddenly becomes Gavin in the following shot on Steve. (00:10:35)
Continuity mistake: When Gavin describes Lorna at the lunch table, Steve's milk rotates about sixty degrees between shots. (00:13:15)
Continuity mistake: In the scene where Chug goes crazy at the supermarket, in one shot the cop is holding him back looking down and in the next the cop is kneeling over the first victim. (00:25:05)
Continuity mistake: Right after Chug's market rampage, when Steve, Gavin, and Rachel are talking, Gavin starts to explain his theory and Rachel says, "Here we go." In one shot she's facing Gavin, and in the next she turns to look at him again. (00:25:55)
Continuity mistake: As the group watches Dickie destroy his car, when UV says, "He's a blue robot," Gavin isn't standing in front of Steve. He's there both before and after. (00:29:15)
Continuity mistake: When Dr. Caldicott votes on Gavin at the Blue Ribbon meeting, from behind his arm is fully raised but from the front it's only halfway there. (00:35:10)
Continuity mistake: When Gavin and Steve are talking on the beach after Gavin gets voted into the Blue Ribbons, his hood goes from up to down and back again. (00:36:05)
Continuity mistake: In the fight in the cafeteria, Steve is swarmed and forced away from the pillar toward the center of the room. Cut and he's back next to the pillar again. (00:39:40)
Continuity mistake: Chug destroys the Eraticate with his bare hands, but they have no blood or wounds until he looks at them after he walks past Newberry. (00:51:30)
Continuity mistake: On the ferry to the mental institution, a massive cowlick on the side of Steve's head disappears and reappears. (00:56:25)
Visible crew/equipment: When the police officer asks Steve and Rachel "where are your books?" a car approaches and the film cuts to a shot of the officer standing outside Steve's car. Look at the top centre of the screen, just above the roof of the car, and you can see part of the fluffy head of a boom microphone. It's quite quick, but very noticeable. (01:02:05)
Continuity mistake: At the Blue Ribbon roadblock, the truck fishtails parallel to the block but in the next shot is facing it at an angle. (01:11:30)
Revealing mistake: When Bud knocks over the motorcycles with his truck, it is clear that no contact is made at all. (01:12:10)
