Leonard Hofstadter was never the flashiest guy in the room but he still managed to rattle Penny more than once in The Big Bang Theory.

Despite being a pretty wholesome show, The Big Bang Theory's 12-season run features its fair share of controversial episodes.

From hesitation to heartfelt love, Penny and Leonard’s Season 7 proposal nailed the kind of imperfect realism we rarely see ...

The Big Bang Theory built a big universe around its central leads, but this set of characters was noticeably absent for most of the series.

The Big Bang Theory is not just one of the longest-running TV comedies in US television history—it’s a pop-culture phenomenon ...

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

Kunal Nayyar, who played Raj on The Big Bang Theory, talks about whether or not he'd be interested in appearing in a ...

In The Big Bang Theory, Todd Giebenhain played Mitch, the super awkward/creepy roommate of comic store clerk Denise. In Young ...

The CBS sitcom followed a group of best friends and roommates and also starred Kaley Cuoco as Penny, Jim Parsons as Sheldon Cooper, Johnny Galecki as Leonard Hofstadter, Simon Helberg as Howard ...