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Revealing mistake: During the scene where the gang are beating up the two guys in Newark, observe the black guy in beige pants: he is making kicking motions but not actually connecting with anything. He is about two feet away from the guy on the floor.

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Revealing mistake: As Harold and Kumar are driving through Newark they observe some guys beating up a 'lamer version of them'. Right after Harold and Kumar say "Holy Shit" we see the gang stop, pause and then start again. Watch the guy in the green beenie hat as he swings the baseball bat. He makes to hit the guy on the floor but actually stops the swing about three feet above him.

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Revealing mistake: During the hanggliding scene we see from the close up shot that Harold and Kumar are both on the hand glider. However, from the wider aerial shots there is only one person in the glider.

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