Grandma's Boy

J.P. (Joel David Moore) steals Alex's (Allen Covert) video game Demonik that he's been working on for 3 years and pawns it off as his own. Grandma Lilly (Doris Roberts) being the only other one who's played it challenges J.P. to a battle. Grandma Lilly beats him and shows J.P. for what he really is. Brainasium develops Alex's game and is now dating Samantha (Linda Cardellini)

Hillary K.

Plot hole: Contrary to the realism of developing a video game Alex should have had external files such as character models, stage maps and coding on his laptop which he could have used as evidence that JP stole his game, It would be impossible to keep all of the games files on one disc especially if he wanted to change something in the game because if you want to modify a DVD-RW you have to erase the disc data and reburn it.

More mistakes in Grandma's Boy

Alex: Why don't you answer your phone?
Dante: Oh I'm sorry, I was putting up my Christmas tree.
Alex: Dude, it's July.
Dante: Get the fuck out of here it is?

More quotes from Grandma's Boy

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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