Leonard and Leslie

Leonard and Leslie

Sara Gilbert is seen here on The Big Bang Theory. She plays the character of Leslie.
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A Trapped Sheldon

A Trapped Sheldon

Penny and Leonard come outside to see Sheldon trapped by a net from the security system they installed.
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Leonard and Penny Argue

Leonard and Penny Argue

As usual, Leonard and Penny get into an argument. This time? About psychics.
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Decorating The Tree

Decorating The Tree

Sheldon helps decorate the tree and wants to add the bust of Sir Isaac Newton, which he argues is more Christmasy than Jesus.
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Beverly Hugs Leonard

Beverly Hugs Leonard

After years of trying to get his mother's affection, Leonard finally gets a hug from Beverly (Christine Baranski). All it took was getting her drunk.
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Bernadette at Lunch

Bernadette at Lunch

Bernadette (Melissa Rauch) joins the guys for lunch at work as she begins to bond with Leonard over his work.
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Wolowitz Confronts Leonard

Wolowitz Confronts Leonard

Wolowitz confronts Leonard when he gets jealous over his friend bonding with his girlfriend, Bernadette.
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Leonad and Sheldon Discusss

Leonad and Sheldon Discusss

When Sheldon is embarrassed by Kripke on National Public Radio, Sheldon comes to comfort his friend.
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Raj Tells Ghost Stories

Raj Tells Ghost Stories

Raj attempts to scare the guys with a ghost story but they look a little more bored than scared.
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The Guys Look Scared

The Guys Look Scared

Leonard, Raj and Wolowitz are definitely not the manliest of men. Here they are a little scared on their camping trip.
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Camping in Style

Camping in Style

Leonard, Raj, and Wolowitz go camping with style... an entire array of electronics.
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Camping with a Computer

Camping with a Computer

Three of our favorite nerds, Leonard, Raj and Wolowitz go camping and can't help but bring a computer when they go camping.
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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.