Leonard and Penny

Leonard and Penny

Leonard confronts Penny in this scene from the season five premiere of The Big Bang Theory. She sure finds something funny!
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The Entire Gang!

The Entire Gang!

The gang is all here. And we mean everyone! Check out this scene from the fifth season premiere of The Big Bang Theory.
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Big Bang Theory Premiere Scene

Big Bang Theory Premiere Scene

This is awkward for everyone. Raj and Penny stand in front of the boys on the fifth season premiere.
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Leonard and Priya in the Shower

Leonard and Priya in the Shower

Don't look for Leonard and Priya to slow down on season five. Not even 7,500 miles can end their relationship!
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Nerds on a Mission

Nerds on a Mission

The men have a mission on the episode "The Zarnecki Incursion." They must find the person who hacked into Sheldon's online game account.
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Hi, Couple!

Hi, Couple!

Can Leonard be friends with Penny while dating Priya? It might be a challenge.
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The Cohabitation Formulation Scene

The Cohabitation Formulation Scene

You're looking at a photo from "The Cohabitation Formulation." Raj's sister returns during the episode.
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Keith Carradine on TBBT

Keith Carradine on TBBT

Yes, that's Keith Carradine on The Big Bang Theory. He's played the character of Penny's dad.
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The Irish Pub Formulation Scene

The Irish Pub Formulation Scene

Leonard tries to keep an affair secret from Sheldon on "The Irish Pub Formulation." This is a scene from that episode.
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The Roommate Agreement

The Roommate Agreement

A flashback to when Leonard first moved in with Sheldon and they signed the roommate agreement.
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Die Sheldon Die

Die Sheldon Die

Before there was Leonard, there was an even angrier roommate. Angry enough to write "Die Sheldon Die."
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Nerdy Flashback

Nerdy Flashback

A flashback to the nerds when they first met playing Gamecube together.
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TBBT Quotes

Stephen Hawking: You made an arithmetic mistake on page two. It was quite a boner.
Sheldon: No, no ... that can't be right. I-I don't make arithmetic mistakes.
Stephen Hawking: Are you saying I do?
Sheldon: Oh, no, no, no, of course not. It's just, I was thinking.... Oh, gosh, golly, I made a boo-boo and I gave it to Stephen Hawking.
Stephen Hawking: Great, another fainter.

Sheldon: Why do you have the Chinese character for "soup" tattooed on your right buttock?
Penny: It's not "soup," it's "courage."
Sheldon: No it isn't. But I suppose it does take courage to demonstrate that kind of commitment to soup.
Penny: How'd you see it? You said you wouldn't look.
Sheldon: Sorry. As I told you, the hero always peeks.