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

Mrs. Cooper: Shelly! I'm so glad you're here!
Sheldon: I saw you having naked sex.

Penny: I give up, he's impossible
Sheldon: I can't be impossible, I exist. I believe what you meant to say is, "I give up, he's improbable."