Sheldon Cooper's famous triple knock was eventually given a canonical explanation on The Big Bang Theory, but the writers ...

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

From the moment Sheldon, Leonard, Penny, Raj, and Howard first stepped onto the screen, fans showed up and stayed for twelve unforgettable seasons. Looking back at each season’s most-watched ...

While Sheldon had a smart way to steal the show on The Big Bang Theory with his quirky and often inappropriate one-liners, ...

American sitcom The Big Bang Theory centers around friends Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons), Penny Teller (Kaley Cuoco), Howard Wolowitz (Simon Helberg ...

While The Big Bang Theory started out with a unique set of main characters, they became the best sitcom group on modern television. I think Sheldon, Leonard, Raj, and Howard's science nerd group found ...

The actors appear in an ad for the video game Royal Kingdom together, six years after the finale of their CBS sitcom “The Big Bang Theory.” The series followed best friends, roommates and ...

After 12 seasons, The Big Bang Theory came to a close on Thursday night, with back-to-back episodes that wrapped up several long-running storylines Dave Quinn is a Senior Editor for PEOPLE.