Four years ago, “The Big Bang Theory” was a new CBS show struggling to find an audience, but fast forward to 2013, and the comedy, about a group of loveable nerds, is a bona fide hit!AP, “Big Bang” wasn’t even among the top-40 rated shows in US in 2009. Last week's episode was the second highest-rated show in the country, pulling more than 20 million viewers per episode, just behind “NCIS.”
"Extra" was on the set of CBS show "The Big Bang Theory" with Kaley Cuoco and Emmy winning Jim Parsons -- who revealed which actor inspires him. "I've been enjoying James Franco lately. He does so many neat, interesting things."
Fellow actors Johnny Galecki and Simon Helberg opened up about the smartest cast member on the show and shared what fans might not know about their favorite geek squad. Watch and find out!