Most bands who stop by late night TV usually only get to perform during the show’s last few minutes, but rock legends Green Day clearly deserve better than that. On April 14 Jimmy Fallon invited the group to the Late Night couch to talk about taking American Idiot to Broadway and their upcoming video game Green Day: Rock Band. American Idiot is now playing at the St. James Theatre, and based on this interview, audience members better be careful: the band jokes about their infamous Woodstock '94 mud fights being recreated at the theater! Check out the clip below.