From saying Bazinga to singing Soft Kitty to Sheldon's schedule, we ranked "The Big Bang Theory's" running jokes from ...

No one does a running gag quite like The Big Bang Theory. From "Soft Kitty" to Penny's check engine light, the series had some great running gags.

Awkwardly hilarious is the best way to describe Leonard (Johnny Galecki) and Sheldon (Jim Parsons) on The Big Bang Theory, and it doesn’t take a PhD to recognize that. The two best friends, and their ...

The bond between these two characters in The Big Bang Theory goes beyond friendship and becomes an integral part of the show's appeal.