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 ...
On The Official Big Bang Theory Podcast, Chuck Lorre said that Kaley Cuoco's Penny wasn't fully developed in the earlier seasons of the show.
In the end, The Big Bang Theory found its footing by tweaking its origins. The awkward hellos, not the awkward bank trip, were what truly set the stage for twelve seasons of geeky greatness.