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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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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Sheldon comes crawling back to his mother's home in the season three premiere of The Big Bang Theory when his arctic expedition doesn't go as planned.
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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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It looks like Kripke is back to annoying our favorite nerds in the upcoming third season premiere of The Big Bang Theory.
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So what do you think of Sheldon with a little facial hair? You're going to get a chance to see him with a goatee in the season three premiere of The Big Bang Theory.
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Sure Leonard, Raj and Wolowitz may have fudged the data that send Sheldon crawling back to Texas, but at least they're good enough friends to come and retrieve him!
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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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TBBT Quotes

Penny: Leonard, sweetheart, you twisted your ankle playing Scrabble.
Leonard: I got a triple word score with a double letter Q. If that's not a time to bust out the Scrabble dance, what's the point of having one?

Given that St. Valentine was a 3rd century Roman priest who was stoned and beheaded, wouldn't a more appropriate celebration of the evening be taking one's steady gal to witness a brutal murder?

Sheldon