Other mistake: The Magic Eye Picture that Willem is looking at throughout the movie is NOT a sailboat. If you pause the movie and find the image it's actually three rows of 3D shapes.
Mallrats (1995)
1 other mistake - chronological order
Directed by: Kevin Smith
Starring: Jason Lee, Kevin Smith, Michael Rooker, Claire Forlani, Ethan Suplee, Joey Lauren Adams, Jason Mewes, Shannen Doherty, Renée Humphrey, Jeremy London, Stan Lee
Continuity mistake: Mr. Svenning's junior college class ring mysteriously jumps from his left hand to his right hand just in time to get stink-palmed by Brodie.
Trivia: Jared Svenning was not originally bald. This was a decision Michael Rooker made while trying to dye his hair gray.