Sheldon Uses Positive Reinforcement

Sheldon Uses Positive Reinforcement

When Leonard tells Sheldon he needs to use more honey than vinegar on Penny, he tries an experiment where he uses chocolate as positive reinforcement on Penny. Amazing.
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Penny and Leonard Talk

Penny and Leonard Talk

Penny and Leonard try and talk out their little awkward hookup they have in the season three premiere last week.
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Leonard and Penny Drink

Leonard and Penny Drink

Leonard and Penny drink some peppermint schnapps in an attempt to try and get a little sexual chemistry going on for their awkward sex life.
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Hairy Leonard and Sheldon

Hairy Leonard and Sheldon

Hairy Leonard is very eager to see Penny upon his return from their three month expedition and is a little upset at Sheldon for crashing their good makeup time.
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Leonard and Penny Make Out

Leonard and Penny Make Out

It looks like Leonard and Penny will make up for lost time when Leonard returns from his arctic expedition in the season three premiere of The Big Bang Theory.
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Sheldon and Penny

Sheldon and Penny

Sheldon and Penny will never get together. Jim Parsons says these characters are just too good of friends.
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Penny and Leonard

Penny and Leonard

Will Penny and Leonard get together or won't they? Fans of The Big Bang Theory will find out in season three.
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Leonard in a Snuggie

Leonard in a Snuggie

Penny gives Leonard a gift... a blanket with sleeves... as his going away present before he leaves to the North Pole.
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Sheldon Sleeps in Penny's Bed

Sheldon Sleeps in Penny's Bed

In erhaps the most ridiculous situation, Sheldon ends up sleeping in Penny's bed... and somehow this doesn't make the man happy! We'll trade places with you...
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Sheldon and Stuart Put Penny to Sleep

Sheldon and Stuart Put Penny to Sleep

When Sheldon crashes in on Stuart (Kevin Sussman) and Penny's date, he ends up arguing with Stuart on comic books until they put Penny and Stuart's chances of getting lucky to sleep.
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Penny and Stuart Flirt

Penny and Stuart Flirt

Stuart (Kevin Sussman) flirts with Penny as he givers her a portrait he drew of her in exchange for her phone number. Wow, Penny is falling for the nerds hardcore now.
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Leonard, Penny and Stuart

Leonard, Penny and Stuart

Stuart (Kevin Sussman) comes over to offer help to Leonard and Penny as they attempt to pick up a comic book for Penny's nephew. Stuart is nice... for a guy who likes comic books.
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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.