The Big Bang Theory 10×04 Promo “The Cohabitation Experimentation”

The Big Bang Theory 10×04 “The Cohabitation Experimentation” – When Amy’s apartment floods, she proposes a “cohabitation experiment” with Sheldon. Also, Howard and Bernadette are upset when Koothrappali learns the gender of the baby before they do, on THE BIG BANG THEORY, Monday, October 10th on CBS.