Kunal Nayyar recently revealed that he frequently could not keep a straight face as his character Raj Koothrappali while ...

Nayyar played the astrophysicist Rajesh "Raj" Koothrappali across the sitcom's full 12-season run on CBS. Kunal Nayyar's ...

The Big Bang Theory was at its best when referencing geek culture, especially during the special episode that celebrated Star ...