Take a look back at the stars of the beloved series during their early days on the show
The Big Bang Theory Cast Photos Then Vs Now
Big Bang Theory': Why Jim Parsons Walked Away From One of TV's Biggest Hits
The Big Bang Theory cast prepares for the end of CBS hit comedy, big bang theory
How The Big Bang Theory became the Friends of the iPhone generation, The Big Bang Theory
The Big Bang Theory (season 6) - Wikipedia
The Big Bang Theory cast prepares for the end of CBS hit comedy, the big bang theory
Big Bang Theory' Cast From Season 1 to the Series Finale: Pics
How the Cast of The Big Bang Theory Aged from the First to Last Season
Kaley Cuoco Wasn't Originally Cast on 'the Big Bang Theory' Because of Her Age