14 Things You Didn't Know About The Big Bang Theory

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Maybe you know the theme song by heart. Maybe you also know all the lyrics to soft kitty.

But did you know that The Big Bang Theory could have easily been a very different show? Or that two of the actors actually dated in real life?

Well, we've got a list of all sorts of fun facts about the show. Here are 14 things you probably didn't know about The Big Bang Theory.

1. Mayim Bialik has a PhD

Mayim Bialik has a PhD
Mayim Bialk, who plays Amy Farrah Fowler on the show, has something pretty major in common with her character. Just like Amy, Maykim Bialik has a PhD in neuroscience.

2. Dating in Real Life

Dating in Real Life
We love seeing Penny and Leonard together on the show, and their chemistry makes a lot of sense. Johnny Galecki and Kaley Cuoco actually dated in real life, for about two years.

3. Bernadette's Voice

Bernadette's Voice
We could recognize Bernadette's high-pitched voice anywhere. To make that voice happen, Melissa Rauch does an imitation of her mother's voice.

4. A Very Different Show

A Very Different Show
The original pilot for The Big Bang Theory was completely different, adn the only two characters that were kept were Leonard and Sheldon.

5. Theme Song

Theme Song
The theme song for the original pilot as "She Blinded Me With Science" by Thomas Dolby. Can you believe the song by The Barenaked Ladies might have never happened?

6. Sheldon Leonard

Sheldon Leonard
Sheldon and Leonard's characters were named after actor and director Sheldon Leonard. The writers made the choice because they are fans of his work.

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TBBT Quotes

Howard: Fake a laugh? Do you ever do that with me?
Bernadette: No, of course not.
Howard: Well, I'd be able to tell anyway.
Bernadette: I don't think you would.
Howard: Please, I've made plenty of girls laugh, sometimes just by asking them out.
Bernadette: [Laughs]
Howard: Yeah, well, I fake my orgasms.

[Raj whispers in Wolowitz's ear]
Penny: What did he say?
Wolowitz: He compared Sheldon to a disposable feminine cleansing product one might use on a summer's eve.
Penny: Yeah, and the bag it came in