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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When Wolowitz refuses to leave his hotel room when he can't get over Leslie, Leonard and Raj set him up with a hooker named Mikayla (Jodi Lyn O'Keefe).
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Leonard, Raj and Wolowitz head out to a local bar for Ladies' night. Wolowitz explains to Raj why he can't order a girlie drink during Ladies' night.
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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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Leonard and Sheldon greet their new neighbor, Alicia (Valerie Azlynn) as she moves into their building right above their apartment. Sheldon drills her with his usual awkward questions like does she like area rugs?
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Penny brings in Chinese for the guys and hangs out in her sweats. Don't worry, for now Wolowitz still thinks she looks ravishing. It's only when the new neighbor shows up does Penny need to step it up.
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Leonard asks Alicia (Valerie Azlynn) the all important question when installing her DVD player... would you like it to default to Dolby Digital or DTS?
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TBBT Quotes

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

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.