Continuity mistake: When Buffy is talking to Riley, she puts the scarf on her head, on his hand. He talks to her and says "Maybe I am the bad guy," and in the next frame her scarf is back on her head again, then off again in the next frame. (00:24:20)
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: When Daria is on the couch with her dad she's holding a mug but the next shot it's a glass. (00:15:39)
Continuity mistake: When the Joker gets mad at Harley, the fish she uses to defend herself changes both size and shape with each shot.
Continuity mistake: As the prisoner transport ship is unloading in a shot from behind Stanley at his station, several of the prisoner frame things holding them are being moved along the line. And Xev can be seen back a ways in the line, identifiable by her fat body in the white wedding dress. There are at least six other prisoners on the line in front of her. But then as the line stops when reaching the Holo Court, Xev is suddenly second in line with only one person before her. The woman in the blue body suit is still behind her though so she also moved up to be third in line. (00:22:20 - 00:23:10)