Continuity mistake: After Buffy finds Morgan's brain, Willow pulls up Morgan's school file on one of the library computers without even touching the keyboard. One moment the monitor is on the desktop, the next it's showing Morgan's file.
Continuity mistake: In the introduction, when TJ pulls the ball off Gus, Gus is covered in gum. When they are walking into the school, the gum has disappeared.
Cartman Gets an Anal Probe - S1-E2
Continuity mistake: In the classroom there is a poster of The Laughing Cavalier in the back wall in the class. In the last shot of that scene you can notice that the poster has disappeared and is replaced with an astronaut poster. (00:09:05)
Continuity mistake: In the first episode of season 10, when Marissa is holding a dog while talking to Elaine, the way her arm lies around the dog's neck changes several times between shots.
Continuity mistake: Carter and Cadet Haley enter the Stargate and we see them through the "puddle." When they come out on The Other Side, their positions are reversed.
Bystand Me - S10-E2
Continuity mistake: While Hank, Peggy, and Bobby are asking for help picking up the papers with the dangerous ammonia and bleach recipe, a person in back of the group they are talking to that was originally wearing a dark red hat, red shirt, and blond hair switches to a pink, light blue shirt, and brown hair. A window also suddenly appears behind this individual, where there wasn't one before. (00:17:49 - 00:18:11)
Mr. Jealousy - S7-E2
Continuity mistake: When Jack and Finch are talking about Vikki barging into the office, Jack is not wearing a vest, but in the next shot he is, and when he stands up it is gone again.
Continuity mistake: When Michael tries to take Alan's big plate, Jill holds the menu in both hands. In the next shot she is holding it in just one. (00:18:25)
Beware the Third Wish - S1-E31
Continuity mistake: The Wicked Wisher throws giant exploding coins onto the field TJ is on, as TJ runs towards the WW. The giant coins remain on the field after they explode, yet when TJ reaches the top of the field, there is no sign of the coins, or their remains.
Book Smart - S2-E8
Continuity mistake: The word "Puritans" is written differently on the chalkboard between shots, in the scene where T.J. is discussing Puritans with Mr. Delk.
2001 Special (Paedophillia) - S1-E7
Continuity mistake: When Simon Pegg throws an egg at Chris Morris, the stain on his jacket changes position in between shots. (00:18:40 - 00:19:10)
The Ex-Files - S1-E5
Continuity mistake: When Dharma is visiting her uncle (a dentist) and she's in the dentist chair, she has a little spot of water on her bib, the shot moves, then it moves again and the spot isn't there anymore.
Continuity mistake: When Sheila Carlisle has hanged the dead head up on the wall of Eugene's office, they are all looking at it and the eyes are looking straight in to the room. Later in the episode, the eyes are looking more to the right.
Continuity mistake: After the Squirmese chef sets up his additional ingredients, Corky answers the video phone. During Corky's conversation, Al's kitchen can be seen with no trace of the chef or his ingredients.
Compromising Positions - S1-E2
Continuity mistake: Ally's suit switches from blue to black in the same scenes from mid episode to the end.
The Bing That Wouldn't Leave / You Promised! - S1-E11
Continuity mistake: In "The Bing That Wouldn't Leave" Bing often changes size. Most of the time he's about half as tall as Norbert and Daggett but most notably near the end when he hugs Daggett he's about the same size as him.
The Curious Tale of Mr Spearfish - S3-E1
Continuity mistake: The bullet marks on Lenny keep changing places.
Continuity mistake: In the Season 1 episode "Too Cute," Quinn mentions to Sandy that Sandy picked out Quinn's outfit that she's wearing. This could not be possible as Quinn had that outfit (the same one she always wears in every episode) since BEFORE they moved to their current town and before the girls met anyone in their school they first went to in the first episode.
Continuity mistake: In the prisoner transport ship after the crew wakes up, one goes down a ladder to check on the prisoners to find Number 11 freeze dried. In the first shot, the dead prisoner's arm is casting a shadow to the left, but when the angle changes the shadow is to the right of his arm. (00:09:05)
Kessei! CLAMP gakuen tanteidan - S1-E1
Continuity mistake: Nokoru Imonoyama is looking at the dossier about the brother-in-law of their client. The chart showing the sorry state of his business looks different from the close-up when Nokoru puts it down - for instance, it's bi-color grey and white, when it was simply with white background before. (00:13:15)