Although Penny and Leonard don't end up dating until Season 3 of "The Big Bang Theory," Kaley Cuoco believed that they were meant to be from the pilot.

While The Big Bang Theory’s divisive pregnancy twist might have been infamous, the biggest issue with the show’s central couple arrived a lot earlier in the show’s timeline. How much a viewer enjoys ...

Right from the start, "The Big Bang Theory" was positioned as an ensemble sitcom without any single character as the de facto lead. The core group initially consisted of roommates Leonard (Johnny ...