As Kaley Cuoco celebrates another year around the sun, there is no better excuse to revisit the moments that made her the beating heart of The Big Bang Theory.

Some of the best plot twists on The Big Bang Theory altered the characters’ storylines and the viewers' perception of their ...

Mind blown.

There's no denying the success of Chuck Lorre, who's not only built an empire of sitcom success but a separate one with the CBS series The Big Bang Theory (alongside co-creator Bill Prady) with its ...

In an alternate universe, Marisa Tomei won the role of Penny on The Big Bang Theory instead of Kaley Cuoco. An excerpt of Jessica Radloff's soon-to-be-released oral history of the CBS sitcom shared ...

“The Big Bang Theory” co-creator Chuck Lorre says Kaley Cuoco‘s character Penny took a few seasons to fully understand. “It’s a cliched character: the dumb blonde, and we missed it,” Lorre said during ...

It's been six years since the popular sitcom last aired.

A new oral history of the hit CBS sitcom reveals more teen queens in contention for the role of the bubbly Cheesecake Factory waitress — including one who made it all the way to filming the pilot ...