Doyle & Houdini, the Poison Squad, the Great Imposter Mysteries at the Museum : Season 7 Episode 4

A feud between Arthur Conan Doyle and Harry Houdini is examined by the host, who later looks into the history of "Poison Squad" experiments and the beginnings of food and drug regulation. Also: the story of a jaw-dropping feat of trickery pulled off by a great impostor.