Stalag 17 Portrait/Seadrome/Black Tom Shell History Detectives : Season 7 Episode 10

A woman from Arizona wants to find out the fate of the man who sketched a picture of her father while in a WWII P.O.W. camp in Krems, Austria. Next, the Seadrome was a floating airport which would enable transatlantic flights was proposed in the 1920s, is investigated for a man in New York who inherited photos of Seadrome from his grandfather. Also, a woman in New Jersey has possession o an unusual artifact: a live artillery shell believed to date to the 1916 sabotage attack of Black TomIsland , N.Y., munitions depot by a German spy ring.