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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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 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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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 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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Leonard uses the board to attempt to find the perfect combination of movie theater and restaurant based on start times and Sheldon's idiotic requirements.
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Sheldon invents his own version of rock-paper-scissors in this episode which includes the addition of a lizard and spock naturally.
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Leonard goes on a date with Stephanie (Sara Rue), who Wolowitz is convinced is his soul mate.
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A picture of the whole gang dressed in their clothes from the Renaissance Fair as they get to meet Penny's new date, Eric (Travis Schuldt)
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Leonard and Sheldon return from the Renaissance Fair dressed fully in times. Sheldon is a little disappointed in Leonard for wearing modern underwear.
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Leonard finally gets the apartment to himself for a date with Leslie Winkle. How will it go?
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Leonard comes home to find out the guys spied on how his date with Penny went via a webcam they put in the hallway.
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TBBT Quotes

Penny: Here's a question-- as an alien pretending to be human, are you planning to engage in any post-prom mating rituals with Amy?
Sheldon: There are post-prom mating rituals?
Penny: Not always. Unless your date drives a van with an air mattress, then always.
Sheldon: Well, if it's part of the prom experience, then I'm open to it.
Penny: You're kidding.
Sheldon: I may be an alien, but I have urges.If Amy wants to copulate by firing her eggs into space, well, then, I will happily catch them with the reproductive sac on my upper flermin. I'm not the best at reading facial cues, but I can see that you're a little turned on.

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