Continuity mistake: When Uma Thurman visits the radio station for the first time, she asks Janeane Garofalo if she can sit down by the microphone. As she's standing in front of the desk she's wearing a cardigan with a handbag over her shoulder. When she turns round to say "you promise not to laugh?", the cardigan and bag have disappeared. (00:16:10)
Continuity mistake: In the beginning of the movie he is not taken onto the hockey team. After he is hustling at the driving range he goes to toughen up. As he is toughening up, Chubbs unplugs the machine. The kid tries it, but he never plugged it back in and the machine still manages to work. (00:15:10)
Continuity mistake: As paramedics inflate Jordan's assistant Stan Podolak following his lone bucket, the scoreboard shows the Monstars ahead 77-67 with 10 seconds remaining. Yet following his treatment and the surprise entrance of Bill Murray, the score has changed to 77-76 with no time having elapsed.THGhost
Continuity mistake: When they are in the Whitehouse, and Beavis has turned into Cornholio, he picks up the "Red" hotline phone on the President's desk, and is talking to the nuclear bomb officials. Later, when they are in the President's office again, getting their certificates, there is now a black phone on the desk, where the red one was. (01:03:05 - 01:11:00)
Continuity mistake: Near the end of the film, as Bette Midler, Diane Keaton and Goldie Hawn sing the song "You Don't Own Me," watch Goldie's shoes. For the first portion of the song, which takes place inside, she is wearing spiked-heel shoes with multiple straps. Then, as they dance through the doors onto the street, she is wearing shoes with a single strap and a much thicker heel.
Continuity mistake: When Jack is in his new classroom for the first time, he sits at a metal desk. He falls with the desk when he tries to reach his book bag, which is sitting next to a broken wooden desk. Next, he sits in the same - miraculously whole - wooden desk, then proceeds to break it to smithereens.
Continuity mistake: The morning after the party at Steven's, Chip is at Steven's house making eggs for them, watch closely as Chip eats. While they are talking about Heather being a prostitute, Chip repeatedly loses the eggs off his fork, but continues to put the fork in his mouth, and makes a sound like he is actually eating the eggs. He does it about 4 or 5 times during their whole conversation. (00:50:35)
Continuity mistake: Jamie steals a gay magazine at a newsagent. Before he pinches a copy, there are three copies on the shelves. When he pinches it the number of copies on the shelf indeed changes from three into two, but when he leaves the shop, lo and behold, there are three copies on the shelf again. (00:42:15)
Continuity mistake: In the scene where Pauly Shore and Stephen Baldwin's girlfriends arrive right after Baldwin is smacked in the face with the encyclopedia, Baldwin is shown lying on the ground directly above his face, and off to the side. When the camera is off to the side, his braids are in his face, but when they are directly above him, his braids have been brushed away.
Continuity mistake: Towards the end, Danny Aiello fires at James Spader, and we see a brief close-up of the door frame being hit - there are two bullet holes seen in the door - one above and just to the left of the other. Then we cut away, and when we cut back and see James Spader looking around the door frame, there's just one bullet hole.