The Big Bang Theory Season 9 Episode 15 - The Valentino Submergence

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Watch The Big Bang Theory season 9 episode 15 online for free at WatchSeriesLite. 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. The Big Bang Theory is an American sitcom that stars Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert, Melissa Rauch and Mayi…

Air Date: February 11, 2016

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