Over the course of 12 seasons, there were occasionally plotlines on "The Big Bang Theory" that were abandoned with no reason given.

Over the course of 12 seasons, fans of "The Big Bang Theory" really got to know the show's characters. With that said, it makes sense that viewers would have been overjoyed to see Howard Wolowitz and ...

The character of Penny wasn't in the original pitch for the sitcom The Big Bang Theory, but the original neighbor character was reworked into the Penny that fans know and love. We got to learn a lot ...