The Big Bang Theory Cast Reveal What They Geek Out To

Young Hollywood catches up with the cast of "The Big Bang Theory", including Johnny Galecki, Kaley Cuoco, Kunal Nayyar, and creator Chuck Lorre, to find out their favorite things about being a part of the long-running CBS comedy, plus they also reveal some nerdy facts about themselves and we find out who is the biggest goof-off on set!