The Big Bang Theory is a Sitcom programme that first aired in 2007.

The Contractual Obligation Implementation has no rating, but The Big Bang Theory is a 4/5 star programme.
4 star rating
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The Big Bang Theory: The Contractual Obligation Implementation

Series 6, episode 18

Written by , , , , ,
Directed by
Mark Cendrowski

Originally Aired On: Thursday, 07 March 2013

While the girls go to Disneyland and get made up as princesses, the guys have to promote science as a career option for women at Howard's old middle school. Meanwhile, Raj and Lucy have their first date in a library, where instead of speaking to each other they send text messages

Cast

Image for Johnny GaleckiJohnny Galecki...Leonard Hofstadter
Image for Jim ParsonsJim Parsons...Sheldon Cooper
Image for Kaley CuocoKaley Cuoco...Penny
Image for Simon HelbergSimon Helberg...Howard Wolowitz
Image for Kunal NayyarKunal Nayyar...Raj Koothrappali
Image for Mayim BialikMayim Bialik...Amy Farrah Fowler
Image for Melissa RauchMelissa Rauch...Bernadette Rostenkowski
Mark Cendrowski
Kate Micucci...Lucy
Brian Posehn...Bert
Piper Mackenzie Harris...Girl 1
Diamond White...Girl 2
Dawson Fletcher...Justin