Before his time as Leonard Hofstadter in "The Big Bang Theory," Johnny Galecki had a disappointingly small role in this 2008 ...

If you've watched the earliest season of "The Big Bang Theory" recently, you may notice that it plays very differently these ...

There are so many characters on "The Big Bang Theory" - but which ones are the most irritating?

The Big Bang Theory stars Kaley Cuoco and Johnny Galecki have opened up about their secret romance. The pair, who played Penny and Leonard Hofstadter on the long-running show, dated in real life for ...

None of the show’s four male leads has the healthiest of relationships with their mothers. But, it’s safe to say that Leonard’s relationship with Dr. Beverly Hofstadter (Christine Baranski) is the ...

The Big Bang Theory's Jim Parsons has reflected on his 12-year stint playing Sheldon Cooper on the sitcom. Alongside Johnny Galecki as Leonard Hofstadter, Kaley Cuoco as Penny, Simon Helberg as Howard ...