Worldwide Recorder Concert - S3-E17
Continuity mistake: When the boys are running to stop the concert a frame is seen where Mr Garrison and Mr Macky are saying "are those our boys" and though the previous frame showed the gang of 4 running to the stage. Stan and Kyle's hat can be seen standing next to the teachers.
Merry Christmas Charlie Manson! - S2-E16
Continuity mistake: When Cartman tells Elvin that he finished his fudgesicle, the two are standing right next to each other. The shot then cuts to focus on Elvin crying, where Cartman cannot be seen next to him. A couple seconds later, when Cartman hits Elvin over the head, the two are right next to each other, but in the shot of Elvin, Cartman cannot be seen next to him.
Cat Orgy (1) - S3-E7
Continuity mistake: When Shelly and Skyler are on the couch kissing, Skyler's guitar is on the couch. Then Cartman quickly snaps a picture of them, and then only a second later, the guitar is suddenly on the floor without enough time for it to be moved.
Ginger Kids - S9-E11
Continuity mistake: When Stan, Kyle and Kenny are going to Cartman's house to turn him back to normal and get surrounded by the Ginger Kids, Kyle is wearing his pyjamas with a coat over the top. But by the time he and Stan reach the barn to shelter from the attacking Ginger Kids, he's suddenly wearing his normal green trousers.
You Got F*cked in the Ass - S8-E4
Continuity mistake: The end of the show where the dance battle takes place, when Butters is tap dancing his left shoe comes off but when it goes back to him his right shoe is off.
Put It Down - S21-E2
Continuity mistake: When Craig goes into Tweek's bedroom towards the end, he leaves the door open. However, in the next shot showing the door, it's closed.
Continuity mistake: The microphone is taken by Eric Cartman away from the keyboard closer to the crowd. Another microphone appears back on top of the keyboard and then disappears. (00:13:45)
Continuity mistake: The next day after Ike's bris Kenny is sitting in his seat in class but in the next shots of the class he is not there.
City on the Edge of Forever (a.k.a. Flashbacks) - S2-E7
Continuity mistake: After Cartman recalls the Fonzie story, and the bus starts to fall, Kenny is in the bus, but he was already killed by the monster. When the shot changes, Kenny disappears again.
The Passion of the Jew - S8-E3
Continuity mistake: When Kyle slides a $10 bill into the ticket booth, the $10 bill is shown lying left to right. After a couple of cuts to where the ticket taker is saying "But this is such an important film..." the $10 bill has changed positions. (00:03:00)
Goth Kids 3: Dawn of the Posers - S17-E4
Continuity mistake: Whilst the goth kids, vampires and Edgar Allan Poe are searching the facility to find Michael, the goth kid Pete opens a door whilst searching through a corridor to see if Michael is there and then continues walking without closing the door. A few seconds later, when they are on the security camera, the door that was left open is now closed.
Continuity mistake: When Stan is at the arcade and stops playing, the score on screen goes back to zero without the game resetting. (00:12:00)
Continuity mistake: When Sharon is washing the dishes her right hand is on the top of a plate, camera cuts and now her hand is much lower. (00:01:05)
Continuity mistake: When Eric comes in to speak to Stan, Kyle and Kenny who are playing a board game there are 2 blue and one red card face up on the floor next to Eric. Camera cuts and now there is just one blue card. (00:06:10)
With Apologies to Jesse Jackson - S11-E1
Continuity mistake: Randy is told he is no longer welcome in the shop when he picks up the aspirin. He then puts the box down on the counter but as the shot shows him walking out the box as aspirin is back on the display. (00:09:55)
With Apologies to Jesse Jackson - S11-E1
Continuity mistake: When Randy is in the comedy club the position of the beer bottles change between rear and front shots of him. (00:08:15)
With Apologies to Jesse Jackson - S11-E1
Continuity mistake: When Eric first starts laughing at the guest speaker we see him in a long shot and the boy behind Stan is only behind Stan's right (viewer left) side. Camera cuts and now the boy has moved to the other side. (00:06:50)
Continuity mistake: When Cartman is freaking out in P.F. Chengs, we see him from Butters' view across the table, and the red bottle with a label on is facing the camera/Butters. When the camera changes to the side, the bottle also changes with no-one touching it as the bottle is now facing the side. (00:07:30)
Continuity mistake: When Cartman puts the bag down when outside the Chinese place, the bag moves closer to the grass between shots. (00:06:00)
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