The Big Bang Theory fans showed their love for the show with their reactions to this season 1 moment featuring Penny (Kaley ...

For fans who were looking for an update on Sheldon's best friend, Leonard (played by Johnny Galecki on "The Big Bang Theory"), things were a little scarce. While none of the other "Big Bang Theory ...

By Lesley Goldberg The Big Bang Theory Beta Test Episode - H 2012 Leonard and Penny 2.0 officially kick off Thursday when CBS’ The Big Bang Theory picks up on the heels of its risky 100th ...

Leonard Hofstadter and Sheldon Cooper burst onto the scene in The Big Bang Theory as roommates. They technically didn’t need to be roommates, but their relationship seemingly worked. The deeper ...

The Big Bang Theory is getting a very special guest. The show announced on its Twitter and Facebook accounts this week that Leonard Nimoy's son, Adam, will appear on the show's Nov. 5 episode ...

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.) ...

The Big Bang Theory family tree is growing even bigger! During Wednesday's PaleyFest panel in Los Angeles, it was announced that Taxi star Judd Hirsch has been tapped to play Leonard's dad for an ...

In The Big Bang Theory, Leonard Hofstadter spends much of his time trying to keep his roommate Sheldon Cooper happy. Thanks to the roommate agreement he signed when he moved into the apartment ...

Here’s how it works. Any fan of The Big Bang Theory knows that Leonard and Penny are the founding romantic pairing of the show. His attraction to her formed a huge basis of the show’s humor ...

If I were to guess about what transpired in The Big Bang Theory‘s writers’ room as ... s worst experience with a bully. What with Leonard confronting (kinda) his old high school bully, and ...