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

When Chuck Lorre and Bill Prady were coming up with that idea that would become the long-running sitcom The Big Bang Theory, ...

Do you remember that Leonard Hofstadter loved Superman, Dell computers and that he'd never celebrated his birthday? The Big Bang Theory remains one of the longest-running sitcoms in history.

When The Big Bang Theory first introduced Leonard Hofstadter and Penny, few could have predicted that their unlikely relationship would become one of the series' greatest things.

Leonard Leakey Hofstadter. Yes, he’s insecure, we get it… (Picture: CBS) The rest of the characters have gone through some form of growth since the first episode zapped onto our screens ...

If you look closely, though, the writers revealed Leonard Hofstadter’s IQ in a subtly way early on, and let’s say he’s almost as smart as Sheldon. While fans largely think of Sheldon as the ...

When we first meet The Big Bang Theory's Leonard Hofstadter he is a self-proclaimed nerdy scientist who instantly falls in love with his new neighbour Penny. Though it seems unlikely that budding ...

The Big Bang Theory was never just about laughs. For nerds, it became a mirror, not because it got everything right, but because once in a while, it dropped a line that cut straight to the bone.

The Big Bang Theory's Johnny Galecki, who plays Leonard Hofstadter on the show, sat down with myTV38. Q: Who do you think watches the show? Q: Why do you think viewers like the show so much?

The series followed best friends, roommates and physicists Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Galecki) and Howard Wolowitz (Simon Helberg). Galecki’s Leonard married Cuoco’s ...

CBS Photo Archive / CBS via Getty Images As far as most people are aware, the first episode of the series introduces main characters Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny ...