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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Leonard finally gets the apartment to himself for a date with Leslie Winkle. How will it go?
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When Leonard kicks Sheldon out of his trivia group, be brings in Leslie Winkle to replace him for their team, PMS.
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Leonard asks out Leslie in an attempt to get over his "rejection" by Penny but ends up being turned down by Leslie as well!
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Sara Gilbert stars as Leslie Winkle, a female physicist that works with Leonard and has had an on and off again relationship with him.
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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.