Mysteries At The Museum: Season 12, Episode 4

12 - 4: Kensington Runestone, Smile! You're Being Hijacked and Harriet the Spy

Don Wildman examines a strange stone tablet that may hold the key to America's beginnings; a model plane connected to a hijacking mistaken for a hoax; and a revolver that once belonged to the first American woman to lead an armed expedition into war.