Grandma's Boy

Factual error: In the scene where Alex is challenged by one of the testers to play Frog Bog, he shows it to Alex for the Xbox. Frog Bog was released for the Intellivision but wasn't available on the Xbox until 2010, after the release of this movie.

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.

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Jeff: I can't believe you came on my mom.

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Trivia: As Alex and Josh are walking outside after being evicted the house number is 420 (420 is a popular reference to marijuana). (00:03:35)

FireMarshallBill

More trivia for Grandma's Boy

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