The Big Bang Theory co-creator Chuck Lorre knows the show's writers were missing something important about Kaley Cuoco's Penny at first.

A new oral history of the hit CBS sitcom details the moment the cast found out that Jim Parsons was leaving and The Big Bang Theory would end after season 12 Stephanie Wenger is a TV Writer ...

It scared people." Galecki saw his costars "emotionally crumble" when they learned The Big Bang Theory would be canceled after Parsons decided season 12 would be his last. "But there was a lot of ...