Over the course of its 12-season run, The Big Bang Theory cemented itself as one of the most successful sitcoms of the 21st century. The show’s focus on the exploits of Leonard (Johnny Galecki), ...

T hroughout 12 years and the same number of seasons, Kunal Nayyar played Raj Koothrappali on Chuck Lorre and Bill Prady's ...

Johnny Galecki may have parted ways with The Big Bang Theory prematurely. He feared that health problems would prevent him ...

The Big Bang Theory star Johnny Galecki almost left the sitcom after four seasons due to a serious health scare.

While The Big Bang Theory might be Chuck Lorre's most famous sitcom, one of his other heartfelt and hilarious TV shows is ...

In the 17th episode of the debut season of "The Big Bang Theory," something huge happens: Leonard Hofstadter (Johnny Galecki) ...