With The Big Bang Theory running as long as it did, it's no surprise that it spawned its fair share of hilarious running gags ...

Over the course of 12 seasons, The Big Bang Theory became one of the most popular sitcoms on TV, with a main cast that was just as charming as they were quirky. But beyond the main group, the show ...

Young Sheldon's finale floated the idea that Leonard may be dead, but now The Big Bang Theory franchise is one step closer to ...

The biggest speculation in The Big Bang Theory and Young Sheldon fandom is that Leonard Hofstadter, Sheldon's best friend, is potentially dead.

The Big Bang Theory's best character arc unfortunately proved that, in contrast, its ostensible hero never really grew or changed throughout the show.