The eighth episode of the latest "Big Bang Theory" spinoff featured a guest appearance from Melissa Tang, one of a handful of ...

Johnny Galecki starred in "The Big Bang Theory" for over a decade. While many of his costars continued acting after the ...

Kaley Cuoco almost missed playing Penny on The Big Bang Theory, with several actresses auditioning before she got the role.

Kaley Cuoco wondered if more intimate scenes between her and Leonard were added after her breakup with Johnny Galecki.