"The Big Bang Theory" gave us a lot of laughs over the years, but the sitcom could also be very sad. These episodes will have ...

From saying Bazinga to singing Soft Kitty to Sheldon's schedule, we ranked "The Big Bang Theory's" running jokes from throughout its historic 12 season run.

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 ...

You'll need to go back to the very earliest days of The Big Bang Theory for this divisive scene that no longer appears in ...

Christmas in The Big Bang Theory rarely looks traditional, and that is exactly why it stands out among other sitcoms on ...