Which American animated television series created by Trey Parker and Matt Stone features a character called Butters who thinks up schemes to take over the world in its 86th episode?
Simpsons Already Did It: "Simpsons Already Did It" is the seventh episode of the sixth season of the American animated television series "South Park", and the 86th episode of the series overall. Simpsons Already Did It:  In the episode, which continues on from the events of the previous episode "Professor Chaos", Butters thinks up a series of schemes to take over the world, but realizes that each one has already been performed on "The Simpsons".
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