While The Big Bang Theory has plenty of great characters, not all of them stick around until the end of the show.

From the pilot episode to the final, The Big Bang Theory has been about Leonard and Penny's relationship. From their multiple ...

Season 7, Episode 3 of The Big Bang Theory, "The Scavenger Vortex," Raj leads the crew in an epic scavenger hunt.

The Big Bang Theory followed its quirky group of geniuses and their friends through over a decade of laughs, love, and growth ...

It's been six years since we bid farewell to the science nerd group in The Big Bang Theory, who got their happy endings in the season finale after 12 long years.

It's tricky to think of The Big Bang Theory without Johnny Galecki's Leonard Hofstadter, the character who was soft-spoken and wore glasses.

Leonard, who is head-over-heels for Penny ... is that a snapshot of it became Penny's fridge magnet later on in The Big Bang Theory. However, it could never have existed as it was shown to ...

Meet the Real-Life Loves of “The Big Bang Theory” Cast (Including the Couple Who Made a Movie Based on Their Relationship!) ...

“We wanted love interests for Leonard and were just looking for stories ... Bert Kibbler. News of another Big Bang Theory spin-off was met with a mixed reception. Many were quick to question ...

The Big Bang Theory has, over time, garnered a dedicated following of science enthusiasts and entertainment viewers throughout its 12-season run on CBS.

six years after the finale of their CBS sitcom “The Big Bang Theory.” The series followed best friends, roommates and physicists Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Galecki ...