Continuity mistake: When Stan pukes on to the desk when Miss Ellen says his name at first, it is pink. Then when the camera cuts back to him, it is brown. Then when he pukes the second time and Kyle says "You had waffles for breakfast huh?" it is pink again.
Cartman Gets an Anal Probe - S1-E2
Continuity mistake: When Cartman accidentally sets Fluffy the Cat on fire, it jumps up into the air and knocks over a picture and it falls onto the floor. When Stan, Kyle, Cartman's mom and Wendy walk into the living room in the next shot, the picture has disappeared. (00:17:45)
Continuity mistake: When Wendy finds her report paper, it has "good effort" and her grade written in red marker pen on it, with a short note underneath it also written in red pen. In the next shot the "good effort" and grade number are still on the paper but the note underneath has vanished.
Continuity mistake: When Cartman throws a tantrum and makes his Mum go to the store to get him Weight Gain 4000, he throws his Cheesy Poof's bag to the floor. In the next shot it's in his hand again.
Continuity mistake: When opening presents, the blue mega man disappears instantly. (00:18:20)
Cartman Gets an Anal Probe - S1-E2
Continuity mistake: When at Stark's pond, the vomit by Stan's feet disappears. (00:16:00)
Cartman Gets an Anal Probe - S1-E2
Continuity mistake: The rock Kyle throws at the alien ship appears from nowhere. (00:14:00)
Cartman Gets an Anal Probe - S1-E2
Continuity mistake: On the bus, we see there is a shot of the bus with 4 kids visible on the left hand side. However, when Ms. Crabtree swerves, a 5th kid with black hair appears out of thin air. (00:06:50)
Cartman Gets an Anal Probe - S1-E2
Continuity mistake: When Cartman is saying how the others are trying to scare him, you can see Kyle is not stood next to him. Camera cuts and now Kyle is there. (00:04:20)
Cartman Gets an Anal Probe - S1-E2
Continuity mistake: We see all the cows in a single line waiting for the train. When the camera changes they are all now in a herd. (00:09:30)
Cartman Gets an Anal Probe - S1-E2
Continuity mistake: When the bus pulls up, a stop sign is visible on the bus. When Ike goes through the second bus window, the sign has gone. (00:05:10)
Continuity mistake: When Mr. Garrison is having the kids rehearse the play, Bebe is standing in front of Kenny. When they cut to a closer view she is no longer there but should still be visible. She returns in the next wide view.
Continuity mistake: In the opening the boys get on the school bus. Stan is on the fifth row, Cartman is on the sixth row, Kyle is on the seventh row and Kenny is on the eighth row and there are another two rows behind them. But in the shot after Cartman says "Ample parking day and night! People shouting howdy neighbor!", Kenny is now on the back row. (00:00:10)
Answer: He appears in at least 5 other episodes, but usually just as a background character. He can be seen at Cartman's party in "Immaginationland". He was also one of the kids trying out to replace Butters in the "Professor Chaos" episode.
Bishop73