Continuity mistake: When Miss Chokesondik first lectures the girls on STD's the words "Sexually Transmitted Diseases" appear on the blackboard although partially obscured as it is a narrow shot of the teacher. The view then changes to a wide shot of the blackboard and nothing is written on it. Miss Chokesondik then proceeds to write "Sexually Transmitted Diseases" on the board. (00:05:35)
Continuity mistake: In the background we see an ambulance with "South Park Hospital" written on it. It is supposed to be called "Hells Pass Hospital." (00:19:55)
Continuity mistake: During the first classroom scene, Token is in the back with Kenny partially in front of him, but when we see the closeup of the projector with Token in front of it, we don't see Kenny anywhere. (00:04:45)
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