Sheldon and Penny will never get together. Jim Parsons says these characters are just too good of friends.
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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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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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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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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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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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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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Penny gets ready for a showdown with Alicia (Valerie Azlynn) by stepping up her wardrobe and wearing a little dress to compete with her clear superior for the guys' affection.
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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.