The Big Bang Theory Episodes

2007, TV Show

The Big Bang Theory Episode: "The Contractual Obligation Implementation"

Season 6, Episode 18
Episode Synopsis: Sheldon, Leonard and Howard promote careers in science before a group of junior-high girls, while Raj readies for a date with Lucy.
Original Air Date: Mar 7, 2013
Guest Cast Kate Micucci: Lucy Diamond White: Girl No. 2 Piper Mackenzie Harris: Girl No. 1 Brian Posehn: Bert
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Season 6, Episode 18
Paid | iTunes
Length: 20:02
Aired: 3/7/2013
Also available on Amazon Instant Video and VUDU
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Premiered: September 24, 2007, on CBS
Rating: TV-PG
User Rating: (8,939 ratings)
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Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated.

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