The Big Bang Theory - The Valentino Submergence
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.
- Season: 9
- Episode: 15
- Runtime: 30
- Aired: February 11th, 2016 at 20:00