Penny has a strange relationship with her family in The Big Bang Theory, and one mystery doesn't help matters.

The Big Bang Theory's lead stars, Kaley Cuoco and Johnny Galecki, reunite on-screen in a promotional video for a mobile game. From 2007 to 2019, Cuoco and Galecki played Penny and Leonard ...

A lthough The Big Bang Theory’s characters all had plenty of memorable zingers and one-liners, there is one quote apiece that ...

By Lesley Goldberg The Big Bang Theory Cuoco Galecki Hugging - P 2013 “Next week we start shooting the Valentine’s Day episode,” the actor behind Leonard tells The Hollywood Reporter.

The song that convinces Penny to join Leonard is "Tootsee Roll" by 69 Boyz. The Big Bang Theory airs Thursdays at 8/7c on CBS. (Full disclosure: TVGuide.com is owned by CBS.) ...

Do you remember that Leonard Hofstadter loved Superman, Dell computers and that he'd never celebrated his birthday? The Big Bang Theory remains one of the longest-running sitcoms in history.

The Big Bang Theory's Leonard Hofstadter was the glue that held his group of friends together. No one helped and supported Sheldon and his unusual demands more than Leonard. He would even stick to ...

Since the executive producers already revealed at Comic-Con that the Season 9 premiere will pick up just a few hours after we last left Penny and Leonard in the car on the way to Vegas ...