Lewis Black to Guest Star on The Big Bang Theory

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Lewis Black will guest star this fall on an episode of The Big Bang Theory.

The stand-up comedian and Daily Show contributor will appear in the September 28 installment of the sitcom in the role of Professor Crawley, an entomologist whose life is a shambles. He gets involved in a bet between Sheldon and Wolowitz.

lewis black

As for the show's other big storyline heading into season three, executive producer Bill Prady spoke to Entertainment Weekly about the upcoming hook-up between Leonard and Penny.

"There’s been two years of foreplay and the feeling was that it’s time," Prady said about these two getting together. "We know how Penny feels and we know how Leonard feels. And when he comes back from the North Pole [in the season premiere], she’s figured everything out and thinks they should just got for it. But a Sheldon crisis keeps Leonard from being able to move forward.”

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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TBBT Quotes

Penny: What actor holds the record for being named People magazine's Sexiest Man Alive?
Sheldon: William Shatner!
Leonard: I don't think it's Shatner.
Sheldon: Then it's got to be Patrick Stewart

Penny: Here's a question-- as an alien pretending to be human, are you planning to engage in any post-prom mating rituals with Amy?
Sheldon: There are post-prom mating rituals?
Penny: Not always. Unless your date drives a van with an air mattress, then always.
Sheldon: Well, if it's part of the prom experience, then I'm open to it.
Penny: You're kidding.
Sheldon: I may be an alien, but I have urges.If Amy wants to copulate by firing her eggs into space, well, then, I will happily catch them with the reproductive sac on my upper flermin. I'm not the best at reading facial cues, but I can see that you're a little turned on.