Penny joins the nerds in a friendly game of cards. Here's a cute picture of her smiling as Leonard look at her.
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We sure see a lot of Penny and Leonard in bed. Not that were complaining, this is where we want to see this couple!
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When Penny spends the night at Leonard's she ends up ruining oatmeal day by cooking french toast. How dare she?
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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 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 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 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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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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TBBT Quotes

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.

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.