Random Episodes
City Sushi
Butters is diagnosed with Multiple personality disorder. The boys want to help Butters find out what is really happening to him but Butters may not like what they find. 
The Death of Eric Cartman
Butters is freaked out when he thinks he can communicate with the dead. Although his parents have made it clear to him there are no such things as ghosts, Butters is sure one is haunting him. Butters ... 
Skank Hunt
The boys decide they have to take down Cartman but meanwhile, Skank Hunt takes his rein of terror global. 