While it is tough to imagine The Big Bang Theory star Johnny Galecki playing any other character than Dr. Leonard Hofstadter, ...

The Big Bang Theory has gone on to become a veritable institution over the years. The popularity of The Big Bang Theory seems ...

Johnny Galecki, who played Leonard on CBS's smash hit sitcom The Big Bang Theory, once had an idea for a spin-off that would ...

Jim Parsons famously auditioned so well for The Big Bang Theory that the creators were afraid it was a fluke, but Parsons was ...

Chuck Lorre knows Penny was "one-dimensional" and "clichéd" in the early days of the hit sitcom, but after several episodes ...

It also had a wall covered in Johnny Galecki’s chewing gum. Kunal Nayyar, who played Raj Koothrappali on the show, spilled the behind-the-scenes secret during an appearance on Sunday Brunch with ...

The Big Bang Theory co-creator has issued a personal complaint about the original failure of Kaley Cuoco ’s character Penny.

Lorre and former Warner Bros. Television Group chairman Peter Roth joined host Jessica Radloff on the very first episode of ...

Not everyone is RSVP-ing to The Conners’ going away party. TVLine can confirm that legacy cast members Johnny Galecki (David), Michael Fishman (DJ) and Estelle Parsons (Bev) will not appear during the ...

The Big Bang Theory creator Chuck Lorre and former WB TV chair Peter Roth discuss Kaley Cuoco's Penny and not doing right by her early on.