"The Valentino Submergence" is the fifteenth episode of the ninth season of the American sitcom The Big Bang Theory. This episode is a Valentines-themed episode, and it aired on Thursday, February 11, 2016.
"The Valentino Submergence" is the fifteenth episode of the ninth season of the American sitcom The Big Bang Theory. This episode is a Valentines-themed episode, and it aired on Thursday, February 11, 2016.