In The Big Bang Theory's tenth season, the episode "The Hot Tub Contamination" shows Sheldon telling Penny why he does this.

It's tricky to think of The Big Bang Theory without Johnny Galecki's Leonard Hofstadter, the character who was soft-spoken and wore glasses.

Young Sheldon is filled with small but significant nods to The Big Bang Theory, references that go beyond Sheldon’s quirks and pop culture obsessions. These moments not only tie the prequel to its ...

Sheldon Cooper's famous triple knock was eventually given a canonical explanation on The Big Bang Theory, but the writers ...

The Big Bang Theory' had a long and successful run, but it refused to let Raj Koothrappali grow in any way, shape, or form.

The London-born actor, 44, who played the astrophysicist Rajesh "Raj" Koothrappali across the sitcom's full 12-season run on ...

It’s official: in the universe of The Big Bang Theory, the third time is not only a charm, but it turned out to be the ...

The Big Bang Theory has, over time, garnered a dedicated following of science enthusiasts and entertainment viewers throughout its 12-season run on CBS.

In an episode of The Official Big Bang Theory Podcast that premiered on Monday, May 12, Nayyar, 44, told host Jessica Radloff ...