The cast of 'The Big Bang Theory' reveal their first impressions of each other, how they want the series to end and why now is the right time to say goodbye.

Walton Goggins and Beth Behrs have landed guest-starring roles on The Big Bang Theory, EW has learned.

James asks Kaley Cuoco about her hit ipakita "The Big Bang Theory" coming to an end and learns she really, really wants the elevator fixed -- the stairs have become cumbersome.

Mayim Bialik examines some tagahanga theories about The Big Bang Theory, including: Amy Fowler is Blossom Russo in hiding, Penny is a Russian spy, and the entire ipakita is actually a drama series

behind-the-scenes look at trying on wedding dresses for The Big Bang Theory.

What would his perfect match look like?