8 10 2014-11-20 While Sheldon says a tearful goodbye to the final installment of "Fun with Flags," Leonard, Howard and Raj search for something significant in a dead professor's research and Bernadette is shocked to learn of her co-workers’ true feelings from Penny. 5039499 20854 https://artworks.thetvdb.com/banners/episodes/80379/5039499.jpg false