Revealing mistake: After Fritz throws the paper airplane, when it flies into the first locker and comes out through the last locker, the wire pulling the paper can be seen here and then again in a following shot. (00:16:05)
Rock 'n' Roll High School (1979)
1 revealing mistake
Directed by: Joe Dante, Allan Arkush
Starring: Clint Howard, P.J. Soles, Vincent Van Patten, Dey Young
Continuity mistake: In the scene where one of the hall monitors is folding the principal's note into a paper airplane, watch his cigarette. It goes from being in his mouth, to being in his hand and back without him moving it.
Riff Randell: Tom Roberts is so boring his brother is an only child.