The Big Bang Theory - Season 9, Episode 15
  • Episode Title: The Valentino Submergence
  • Episode Run Time: 30
  • Episode Air Date: 2016-02-11 20:00
  • Episode Summary: Sheldon and Amy host a live Valentine's Day episode of Fun with Flags, Leonard and Penny grapple with getting older, Howard and Bernadette find a surprise in their hot tub and Raj is torn between Emily and the cute girl he met at the Comic Bookstore.