[note: this is only an excerpt]

And there's seemingly no end to the ways in which the joke can be told. Penn and Teller do it as a magic trick. Eric Mead does it as a dazzling card trick. It's performed as a juggling routine, a ventriloquist act, it's done in mime, in one of the very funniest performances in the film. The South Park guys do it in animated form, with Cartman telling the joke to Stan, Kyle, and Kenny; in the Q&A following the film, Provenza told us that Trey Parker said that if they'd had more time, they would've had the South Park kids act out the joke for a talent agent, which would probably have been the most obscene thing in the history of the world.

[ source: BLOG CRITICS ]