Other mistake: During the Dance Dance Revolution challenge, the challenger should have won. Jeff does some outlandish freaky dance moves, which in no way correlate to the arrows that are on the arcade screen. The arrows that he hits, aren't even the same ones that register as being hit up on the screen.
Grandma's Boy (2006)
1 other mistake
Directed by: Nicholaus Goossen
Starring: Linda Cardellini, Shirley Jones, Doris Roberts, Allen Covert, Peter Dante
Genres: Comedy
Continuity mistake: When they have rolled all the weed together, Dante lit the bong with both of his hands on the bong, but in the next shot he is just sitting back on the couch.
Jeff: I can't believe you came on my mom.
More trivia for Grandma's Boy
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