Right from the start, "The Big Bang Theory" was positioned as an ensemble sitcom without any single character as the de facto lead. The core group initially consisted of roommates Leonard (Johnny ...

Johnny Galecki made Leonard Hofstadter one of The Big Bang Theory's most lovable characters, but he wasn't the only one up ...

The scientists on The Big Bang Theory all had dynamic love lives (well, eventually) — and off-camera, the actors who played ...

While filming a fake blooper, Kaley Cuoco endured an eye injury on the "Big Bang Theory" set.

Bazinga! Max and Warner Bros. are debuting The Official Big Bang Theory Podcast today. Hosted and executive produced by Jessica Radloff, the New York Times best-selling author of The Big Bang Theory: ...

Leonard Hofstadter is an integral part of "The Big Bang Theory" as one of the main characters, and these are his 10 best episodes in the show.