Many fans may not have seen the unaired pilot of "The Big Bang Theory." In it, Jim Parsons' Sheldon Cooper was a vastly different character.

Add Yahoo as a preferred source to see more of our stories on Google. At the center of that early version were creators Chuck Lorre and Bill Prady, who had bonded over a shared fascination with ...

Nearly two decades ago, The Big Bang Theory retconned a major element that saved it from an issue that coule have ended the ...

The original version of Big Bang Theory's Penny looked much different from the one played by Kaley Cuoco.

“I went: ‘Thank you, I don’t need to do another pilot. I played enough nerds and now I work with Aaron Sorkin’.’ Smart.” At the time, he had a recurring role in “Studio 60 on the Sunset Strip.” “I ...

Simon Helberg (The Audacity) on The Big Bang Theory pilot, playing Howard Wolowitz, the Chuck Lorre series's lasting success, and much more.