The Big Bang Theory - Season 10, Episode 4
  • Episode Title: The Cohabitation Experimentation
  • Episode Run Time: 30
  • Episode Air Date: 2016-10-10 20:00
  • Episode Summary: 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.