TBBT showrunner Chuck Lorre was apparently against the idea of revealing Penny's biggest secret for one reason.

Leonard and Sheldon might be the most unlikely to find a girlfriend or get a date, but real-life counterparts Johnny Galecki ...

Wait . . . so Penny wasn't the original friendly neighbor in "The Big Bang Theory"? Here's how different the dynamic would ...

Kaley Cuoco, star of The Big Bang Theory, earlier opened up about the awkwardness of tipping despite earning $163 million from the show.

Georgie & Mandy's First Marriage solidifies TBBT franchise's Penny replacement, and her story is already better than Kaley ...

Who would star as Sheldon, Leonard, Penny, and Raj if The Big Bang Theory got a Bollywood adaptation? Check out our pick!

Kaley Cuoco is a renowned American actress and producer best known as Penny Hofstadter on the CBS sitcom The Big Bang Theory.