Sheldon and Penny sit down and sing a sea shanty as they make Penny Blossoms (Penny's hair berets). You have to hear / see it to belive it.
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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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Wolowitz takes a picture of himself with Summer Glau for his facebook profile. Poor Summer. I bet she wishes she took the plane.
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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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Sheldon and Penny head to the cleaners to try and get a paint stain out of his couch cushion. We highly doubt that's going to work.
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Sheldon is horrified when he finds a paint stain on his couch on next week's episode. Penny is going to get into some serious trouble for this!
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Howard Wolowitz and Leslie Winkle do the nasty on next week's episode of The Big Bang Theory, "The Cushion Saturation." Really Wolowitz, Leonard's ex? That's not cool, even for you.
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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.

Sheldon: Even the dung beetle chooses to plot its course by using the Milky Way.
Raj: Is that true?
Sheldon: Everything I say is true. Now, of course, the dung beetle also enjoys eating fece, living in feces and making little balls out of feces. So, pick and choose which aspects of its lifestyle you want to embrace.