"The Big Bang Theory" brought us an unforgettable mix of science, friendship, and laughter that we're still talking about 18 years after it first aired. The quirky elements became more than just plot ...

Read more: The 104 Best Sci-Fi Movies Ever So how exactly did "The Big Bang Theory" explain why the elevator is constantly ...

There's a very interesting reason behind The Big Bang Theory's broken elevator, and why the writers didn't bother to fix it until the end. The American sitcom ran for a total of 12 seasons from 2007 ...

the actor from The Big Bang Theory explained how they filmed the scenes showing the characters going up and down the stairs, revealing that co-star Johnny Galecki had a specific spot where he ...