Factual error: Kyle says he has to log on before school. The next shot shows "Monday 8 days later." 8 days before is a Sunday. (00:04:45)
Continuity mistake: When Sharon gives Shelley, Stan and Marvin a ticket, Shelley's ticket has the number 975, but in the next shot, the ticket now has the number 923. (00:13:45)
Continuity mistake: When Randy is talking to Gerald at the start, Sheila walks over and is stood in front of Gerald. Camera cuts and now they are side by side, before Randy walks in. (00:02:20)
Continuity mistake: When Randy breaks into the trailer that has access to internet, the locked front door has a large "Red Cross Only" sign attached to the exterior side of the door, but when the guards unlock that door the large sign vanishes between shots. (00:18:20)
Continuity mistake: When the Broflovski doorbell rings Gerald opens the front door and there's only a door knob on the exterior side of the door, but when Randy steps inside the house a backplate has suddenly appeared behind the door knob. (00:02:10)
Continuity mistake: When the Marsh family show up at the Broflovskis in a panic, the front door's exterior door knob is at the left side of the door, but when both families decide to go to Starbucks the front door of the house opens the opposite way. (00:02:55)
Other mistake: When the camp guards take the internet away, the computer cable being dragged away is not plugged into anything, even though the computer was on. (00:17:15)
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