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

When she had to film sex scenes with her ex on The Big Bang Theory, Kaley Cuoco suggested they'd been put in 'to mess with her'.

Kaley Cuoco and Johnny Galecki's onscreen characters in "The Big Bang Theory" ended up married but IRL they couldn't make it ...

She may still be in diapers, but Kaley Cuoco ’s daughter Matilda “Tildy” Carmine is already a budding athlete! In a new video ...

Kaley Cuoco has 279 episodes of The Big Bang Theory to pick through to choose her favorite, and she went with one featuring a moment that took years to happen.

If you loved The Big Bang Theory, you are in for a treat. The popular CBS series debuted on September 24, 2007, and ran for twelve successful seasons.

The Big Bang Theory universe is expanding with a brand new spin-off – and a former character will be making a return.

The Big Bang Theory' actors Johnny Galecki, John Ross Bowie, Riki Lindhome, Kaley Cuoco, Kunal Nayyar, and Kevin Sussman. CREDIT: Albert L. Ortega/Getty Images A fan of hit sitcom The Big Bang ...

The Big Bang Theory's new planned spinoff has been given a big casting update, with classic character Barry Kripke being lined-up to return.