There are a lot of great episodes of "The Big Bang Theory," but which ones are the most rewatchable?

The Big Bang Theory is, at its heart, about relationships. The geek culture references, cameos, and science speak are dressings, and funny ones at that. But from the very beginning, the series set ...

Add Yahoo as a preferred source to see more of our stories on Google. Sheldon presents Penny with tissues as Leonard looks on in disgust in "The Big Bang Theory" - CBS The meme-worthy zingers of "The ...

When Leonard makes the same joke about the doc, Penny is not amused. “I already pretended to laugh at that joke once, do I have to do it again?” she bemoans, but eventually caters to Leonard’s wishes.