S4 - Probably

South Park Zone
Season 4 - Episode 411 - Probably
Watch South Park Probably online

About this South Park episode:
Cartman becomes a preacher and convinces the children to build a church. Satan spends the night with Saddam and goes to God for advice. Kenny wasn't killed in the previous episode, but the bus that ran him over stops in Mexico, where Kenny is found. Cartman is sent to Mexico for punishment.