Magnum is working on a case for assistant D.A. Carol and is forced to face a difficult dilemma concerning the guilt of innocence of the suspected murdered who is guilty of another crime.

Magnum tries to help a young Amerasian boy find his long lost G.I. father and ends up in the middle of political corruption and mob intrigue.

Magnum and Higgins are on their way to London to attend to urgent business for Robin Masters and find themselves stirring up the past.

Thomas helps Penelope to continue to investigate Geoffrey's death and learns of Higgins' reluctance to visit his father.

Magnum discovers that cattle rustlers abound on the Island of Hawaii.

Magnum becomes obsessed with finding a boy he thinks he has seen while scuba diving in Hawaiian waters.

Magnum is the target of racketeers who want him dead and Robin Masters' nephew impersonates him, with very dangerous consequences.

Magnum is elected Local P.I. of the Year, yet his award presentation as well as his investigation into a murder is hindered by the intervention of Luther Gillis and Tracy Spencer.

A murder in the 1940's revolves around a cast of characters which resemble Magnum, TC, Rick and Higgins in the manner of the old fashioned detective novels.

About to turn forty, Magnum loses his lucky $2 bill and falls for a television reporter who may be connected to a case he is working on in Chinatown.

Magnum has a visit from his famous Aunt Phoebe, a prize-winning playwright and he soon learns she is suffering from Alzheimer's Disease.

Multi-Emmy Award winner Carol Burnett reprises her role of bank teller Susan Johnson, recently turned private investigator, whose path collided with Magnum once before.

When the indictment against Quang Ki in his attempt to murder Magnum is dismissed, it becomes evident that the villain will stop at nothing to place Magnum's former wife and daughter in deadly jeopardy.