Revealing mistake: When Fish goes flying off the van, the mat on which he lands is visible. (In subsequent shots, it is gone.). (00:06:55)
Revealing mistake: When Louis is trying to get Lester to apologize to Cleo after hitting her, lots of extras on the sidewalk and across the street can be seen watching the whole scene being shot.
Revealing mistake: At the beginning of the funeral for the girl who died in the motorcycle accident, the supposed corpse can be seen breathing. (01:14:35)