filming 100 comedians telling that same a aristocrat's joke. . >> and the point was censorship, different ways people can do an arlt form and alltel the same thing. everybody paint the same painting and see what happens. but it really was about freedom of speech. >> reporter: freedom not to hold back. >> i'm here today because i'm addicted to marijuana. >> marijuana is not a drug. i used to suck [ bleep ] for coke. >> reporter: his real-life addiction so to speak was comedy. he said i had no idea i did a two-hour set tonight. i'm happily addicted again to this [ bleep ]. >> there's no barrier. it's a simple form. person with a mic talking to a lot of people. the oldest form of theater, monologue of sorts. >> reporter: he drew attention to causes important to him. fund-raising for the scleroderma