Leonard, Raj and Wolowitz at the Bar

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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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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Leonard Meets Alicia

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 in Sweats

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

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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Raj, Leonard and Wolowitz Help

For some reason, Raj, Leonard and Wolowitz join Sheldon in helping Penny manufacture 1000 Penny Blossoms. The things a nerd will do for a pretty girl.
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Leonard Plays Laser Obstacle Chess

Leonard plays laser obstacle chess with the guys. What is laser obstacle chess? Glad you asked. You must avoid the lasers in order to make your next move.
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Penny and Leonard Discover Paint!

Penny and Leonard discover paint in Sheldon's spot on the couch after the gang plays paintball in next week's episode of The Big Bang Theory, "The Cushion Saturation."
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Sheldon Lost His Seat

The gang eats Chinese food and Sheldon has nowhere to sit when his cushion seat is covered in paintball goo. We feel for your pain Sheldon.
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Mrs. Hofstadter and The Gang

Mrs. Hofstadter goes with her son Leonard to work and meets all the guys at lunch. She quickly analyzes each one of them.
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Penny and Leonard Kiss!

After some much needed tequila shots after Leonard's mother terrorized them, Penny and Leonard share a drunken kiss!
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Leonard and Penny Do Shots

Leonard and Penny decide to do some shots of tequila and after licking the salt off Penny's neck, Leonard has to go in for the lime.
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TBBT Quotes

Oh, Bernadette, please play my clarinet.

Raj's poem

Sheldon: I'll have a diet Coke.
Penny: Can you please order a cocktail? I need to practice mixing drinks.
Sheldon: Fine... I'll have a virgin Cuba Libre.
Penny: That's... rum and Coke without the rum.
Sheldon: Yes, and would you make it diet?