Watch Magnum P.I. Season 1 Episode 18 online via TV Fanatic with over 1 options to watch the Magnum P.I. S1E18 full episode. Affiliates with free and paid streaming include Amazon.
On Magnum P.I. Season 1 Episode 18, when the Dobermans dig up a human bone, Magnum and Higgins help Katsumoto to investigate the murder of his former mentor.