Lewis Black guest stars as an entomologist on The Big Bang Theory and he helps settle a bet between Sheldon and Wolowitz.
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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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Wolowitz and Sheldon make a high stakes bet (some of their best comic books) over who's right on the species of a cricket they heard.
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In order to settle a bet, Sheldon, Wolowitz and Raj search out the cricket to identify its species.
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The Big Bang Theory Season 3 Episode 2 Quotes

Howard, you know me to be a very smart man. Don't you think that if I were wrong, I'd know it?

Sheldon

you're missing the point, a Shiksa goddess is not an actual goddess, we prey on them, not to them

Wolowitz