Mythbusters: Do Girls Fart?

I love what this girl did at the end, what a sense of humor...



http://www.pistolwimp.com/media/53788/

I love the Mythbusters, but why was it in a theater?

I've heard that they're doing some sort of tour, where they go around, talk for a bit, answer some questions, and show some unaired clips from the show.