Ultimate Fighter: Team GSP vs. Team Koscheck

Click to watch !!!Ultimate Fighter: Team GSP vs. Team Koscheck Click to watch !!!

Not so long ago, Joe Rogan was talking people into eating bugs and jumping out of planes as the host of Fear Factor. Since then, he's returned to his stand-up comedy roots with the CD Shiny Happy Jihad (released April 10) and a new Showtime special airing tonight at 9 pm/ET. He's also been no stranger to confrontation — serving as a color commentator on Spike TV's broadcasts of UFC bouts and advocating a crackdown on comedians he believes plagiarize material. TVGuide.com spoke with the candid comic and, well, got an earful.