Chris and Connor return to Clive Cussler's 'The Chase' and discuss how they would cast a film adaptation. The boys also examine S. Paul O'Hara's non-fiction book 'Inventing the Pinkertons; or, Spies, Sleuths, Mercenaries, and Thugs,' and see how the fictional Van Dorn Detective Agency compares with the real-life Pinkertons.