When Leonard tells Sheldon he needs to use more honey than vinegar on Penny, he tries an experiment where he uses chocolate as positive reinforcement on Penny. Amazing.
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Penny and Leonard try and talk out their little awkward hookup they have in the season three premiere last week.
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Leonard and Penny drink some peppermint schnapps in an attempt to try and get a little sexual chemistry going on for their awkward sex life.
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Hairy Leonard is very eager to see Penny upon his return from their three month expedition and is a little upset at Sheldon for crashing their good makeup time.
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It looks like Leonard and Penny will make up for lost time when Leonard returns from his arctic expedition in the season three premiere of The Big Bang Theory.
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Sheldon and Penny will never get together. Jim Parsons says these characters are just too good of friends.
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Will Penny and Leonard get together or won't they? Fans of The Big Bang Theory will find out in season three.
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Penny gives Leonard a gift... a blanket with sleeves... as his going away present before he leaves to the North Pole.
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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."