Continuity: The leaflets, booklets, sheets of paper and books on the table keep changing position, during the talk session about sex.

Audio problem: In wideshots as Andy is driving along in the car with drunk girl, as they speak in the car we can see their mouths are shut.

Continuity: During the scene where the guys are playing poker, the clasp on Jay's necklace keeps moving around. It can be seen down next to the cross pendant, up almost behind his neck, and various positions in between, moving randomly from shot to shot.

Continuity: When the drunk girl is driving, she sideswipes several parked cars, and the side-view mirror on the passenger side of her car is ripped off. A few shots later, the mirror is back.

Continuity: Before and after the dream sequence where he kicks the girl and gives her a bloody nose, the comforter he wakes up with is completely different from the one he went to sleep with, which matched his pillow exactly. When he wakes up, nothing matches the pillow.

Continuity: In the scene where Andy is being waxed, Jay has a gold cross pendant around his neck - the pendant is visable and exposed over his shirt at the beginning of the scene. However in the last shot the pendant becomes tucked under his shirt.

Continuity: After the plastic model of the vagina breaks apart, Andy puts one piece of the model under his chin, so he is only holding three parts. In the next shot he's holding all four parts of the model again.

Continuity: When Andy arrives at work the morning after it was revealed that he is a virgin, he pulls open the door to walk into Smart Tec and his bike tire gets caught in the door. In the shot following, the door closes behind him as if he pushed the door open and had not pulled it open.

Continuity: When Jay, Cal and Andy are talking about the date with Trish, Cal and Jay's arms move between shots without enough time for them to have done it naturally. Best example is after the line "She's really sweet," Jay's arms go from crossed to at his sides.

Continuity: In the scene where David and Jay are talking to Andy, Jay is talking about the babies daddy and how the guys on the outside will find out. During this exchange, Jay's position changes completely.

Continuity: When the waitresses in the chinese restaurant sing happy birthday, a yellow balloon appears on the back of one of the mans seat, tied to the back of his chair, between shots.

Continuity: When Andy and Trish are on a date at the chinese restaurant, Andy starts to drink his Budda Punch, yet in the next shot, as the man askes the waitresses to sing happy birthday to his daughter, we can see the Budda Punch glass is suddenly back down on the table.

Continuity: Just after the scene when it is first discovered that Andy is a virgin, as he walks into the store he is wearing a single strap bag, but as soon as it cuts to inside the store he is no longer wearing a bag at all.

Continuity: After the second or third time the woman pulls the wax off of Andy's chest you see her pull back quickly and stand straight up. It cuts to a shot with Andy's friends in the shot, and she is leaning over Andy again.

Continuity: When Andy is talking to Jay while he is watching "Dawn of the Dead" and Jay is freaking out you can see they repeat the shot of the dad getting bitten by the girl.

Revealing: When Andy flies through the billboard from his bicycle, there is no driver in the truck the advertisement was on. You can see through the side window and mirror that no one is in the truck.