Cartmanland - S5-E6
Continuity mistake: In the scenes where Cartman is miserable because of all the people in the park, when Kenny is on the roller coaster and he gets a pipe through his head, the kids who were with him change when the picture of him on the ride is shown.
Cartmanland - S5-E6
Plot hole: How was Cartman able to afford a fairly lengthy TV ad, when he had already spent all his money on the theme park? Cartman took all his money with him to buy the theme park. After buying the park, he runs the TV ad mocking Stan and Kyle. Soon after, when he hires the security guard, he reiterates that he had spent all his money to purchase the theme park. Cartman would not be able to get a loan (he is too young), even as a co-signer. Cartman's mother is also not wealthy enough to give him the money.
Cartmanland - S5-E6
Continuity mistake: When Cartman is withdrawing his money from the bank the teller counts out the last $1000 and then shifts the pile towards the bigger pile, without putting a paper band around the notes but in the next scene all the piles have paper bands.
Cartmanland - S5-E6
Continuity mistake: At the end, the IRS takes half of Eric's money in their hands. Next shot, a load more money has appeared on Eric's truck. (00:20:00)
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