Continuity: During the confrontation with the cadet's drunken parent, Damon Wayans forgets to remove his earring before shooting. Pay attention to his ears - you'll see an earring in one shot and then nothing.
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Mistakes
During Payne's daydream at the train station the Viet Cong soldier's gun bounces around like rubber. See more...
Major Payne mistakes
Continuity: When the boys are sneaking in to take the pictures of Payne, the first time you see him in bed the clock says it's 4-something. When they come back and get the boy in the dress in the bed, the clock says 12-something.
Continuity: In the scene where Payne is holding up his fist asking Alex whether he wants him gone or not, his fist changes position. When they do the close-up of Payne, his fist is right by his head. When they show him from the back it is about a foot away from his face. It goes through this 2 or 3 times.