As Kaley Cuoco celebrates another year around the sun, there is no better excuse to revisit the moments that made her the beating heart of The Big Bang Theory.

The Big Bang Theoryfirst premiered in September 2007, and after a multi-season run, the series ended but has since birthed two spin-offs. The franchise has one more in the works, Stuart Fails to Save ...

It takes Leonard a few years to work things out with Penny, so he has a number of girlfriends early in the show. One of the most notable is Priya, Raj’s sister, who always comes to see Leonard when ...

Sheldon Cooper (Jim Parsons) is a consistently rigid character throughout all 12 seasons of "The Big Bang Theory." While he eventually embraces romance with Amy Farrah Fowler (Mayim Bialik) and shows ...

The cast of The Big Bang Theory pose for a promo photo and look at the camera with a plain backdrop. Image via CBS Netflix has been known to air some controversial content, with the likes of Tiger ...

Makuochi Echebiri is a News Writer for Collider. He has been interested in creative writing from as far back as high school, and he would consume pretty much anything that’s film or TV. However, his ...