Magnum P.I. Season 4 Episode 15 – Dead Man Walking – When Magnum balks at notorious crime boss Osi Shima’s (Eijiro Ozaki) request to find his missing son, Magnum learns he’s been poisoned and has only eight hours to locate Shima’s son to earn the antidote, or else he dies. – Stream Magnum P.I. Season 4 Episode 15 Online for Free – Watch Magnum P.I. Season 4 Full Episode 15 Free – OnionPlay Official