Comedy veterans and co-creators Penn Jillette and Paul Provenza capitalize on their insider status and invite over 100 of their closest friends -- who happen to be some of the biggest names in entertainment, from George Carlin, Whoopi Goldberg, Drew Cary to Gilbert Gottfried, Bob Saget, Paul Reiser and Sarah Silverman -- to reminisce, analyze, deconstruct and deliver their own versions of world's dirtiest joke, an old burlesque, too extreme to be performed in public, called 'The Aristocrats.'