Which South Park episode centers on Cartman buying his own amusement park?

The South Park episode centered on Cartman buying his own amusement park is “Cartmanland.”

It is the sixth episode of season 5 and the 71st episode overall, first broadcast by Comedy Central on July 25, 2001. In the story, Eric Cartman inherits $1 million from his grandmother and spends it on North Park Funland, renaming the attraction Cartmanland.

The purchase quickly creates trouble. Cartman restricts admission because he wants the park exclusively for himself, but the publicity and demand make the business successful. After legal claims connected to Kenny’s death leave Cartman in debt, the park is taken from him. Kyle’s reaction to Cartman’s misery forms the episode’s parallel storyline.

A common mix-up is confusing the episode title with another South Park amusement-park plot. “Cartmanland” is both the episode’s title and the name Cartman gives the park; “Asspen” is a season 6 episode about skiing, while “Casa Bonita” is a season 7 episode about Cartman trying to attend a restaurant celebration.