The Big Bang Theory first aired in 2007, so it's safe to assume that some of the jokes haven't aged well. But, apparently, ...

Precision was the foundation of the Big Bang Theory! The sitcom was successful due to the rigidly written dialogue, ...

A Star Wars joke involving Sheldon and a cosplay outfit got axed from the Season 5 episode "The Hawking Excitation" after ...

Beneath the jokes about physics and fandom lay stories about loneliness, loyalty and learning how to grow up, slowly, awkwardly, and together.

The Big Bang Theory excels at geek culture, but one episode made history for Star Wars fans with an unforgettable reunion.