Although The Big Bang Theory’s worst mistake came relatively late in the popular sitcom’s 12-season run, the series still never recovered from this easily avoidable blunder. By The Big Bang Theory’s ...

The bond between Penny and Sheldon in The Big Bang Theory goes beyond friendship and becomes an integral part of the show's ...

As Kaley Cuoco celebrates another year around the sun, there is no better excuse to revisit the moments that made her the beating heart of The Big Bang Theory.

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 ...