Kaley Cuoco and Johnny Galecki reunite in a surprise commercial that marks their first on-screen moment together in years.

The Big Bang Theory's lead stars, Kaley Cuoco and Johnny Galecki, reunite on-screen in a promotional video for a mobile game.

The Big Bang Theory fans are still not happy with the writers of the show for one specific scene involving characters Penny and Raj. The Big ... of her treating Leonard unfairly.

‘Sheldon Cooper Presents: Fun with Flags’ is one of the recurring themes on the show, where he and his girlfriend Amy Farrah ...

The Big Bang Theory made science funny without trying too hard. It gave us a bunch of oddball geniuses who argued about string theory one minute and wore superhero costumes the next.

The Big Bang Theory never really comes to an end and former stars of the show, Kaley Cuoco and Johnny Galecki, are back ...

Chuck Lorre has started off the podcast confessions with a bang. “The Big Bang Theory ... Although Penny appeared on all 12 seasons, she never had a last name until she married Leonard ...

Leonard, Raj, and Sheldon are up for the post, causing them to act comically and win over the committee members. Sheldon and Penny at the hospital (Image via YouTube/The Big Bang Theory ...

The Big Bang Theory ... in The Big Bang Theory Season 2 episode “The Hofstadter Isotope” as the owner of the comic book store that Leonard, Sheldon, Howard and Raj frequented.