In The Big Bang Theory, fans got to know the couple of Penny and Leonard (Johnny Galecki), who ended up happily married after a long relationship that, like any real-life one, had its ups and downs.

The Big Bang Theory writers dropped the ball by not expanding on the underrated dynamic between two series regulars.

The Valentine’s Day episode would actually air on Thursday, February 14, 2013.However, the big spoiler we’re talking about is not that Leonard proposes to Penny.

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 ...

The Big Bang Theory's expansion series, which will be a true spinoff to the flagship, will feature Chuck Lorre's original ...

Keep reading to find out who your favorite The Big Bang Theory stars are coupled up with off-camera. They may not have gotten together as Penny and Leonard on-screen until season 3, but the story ...

"The Big Bang Theory" brought us an unforgettable mix of science, friendship, and laughter that we're still talking about 18 ...

The Big Bang Theory may turn out to be one of the last blockbuster sitcoms of its kind, and it left behind one of the most ...

American sitcom The Big Bang Theory centers around friends Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons), Penny Teller (Kaley Cuoco), Howard Wolowitz (Simon Helberg ...