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20 Episodes 1985 - 1986
Episode 1
Thu, Sep 26, 198590 mins
Magnum and Higgins go to England to prepare Robin Masters' latest purchase, a castle, for a party. While there, Magnum looks up an old friend only to learn he is dead.

Episode 2
Thu, Oct 3, 198548 mins
Magnum is reunited with a former high school friend and they try to recover a kidnapped dolphin.

Episode 3
Thu, Oct 10, 198548 mins
Magnum rescues a woman who attempted suicide and then strives to protect her from her husband.
Episode 4
Thu, Oct 17, 198548 mins
When he takes a job as a hotel detective, Magnum's attempts at catching a cat burglar preying upon guests are complicated by his relationship with a hooker who keeps getting him into trouble with both criminals and his boss.
Episode 5
Thu, Oct 24, 198548 mins
TC's friend is killed during a store robbery and Magnum and TC set out to find the killers.
Episode 6
Thu, Oct 31, 198548 mins
Magnum goes home to Virginia to attend his grandfather's funeral. And when a family heirloom goes missing he accuses his step father of stealing it to save his business.
Episode 7
Thu, Nov 7, 198548 mins
Magnum is hired by a cattle rancher on the big island of Hawaii to catch cattle rustlers.
Episode 8
Thu, Nov 14, 198548 mins
Robin Masters' publisher buries a chest containing $1 million on Oahu and a contest is held to find it. Magnum is tasked with protecting the woman who has the clues to the chest's whereabouts.
Episode 9
Thu, Dec 5, 198548 mins
Magnum is asked by Admiral Hawkes to help him find a spy. So Magnum returns to active duty. And he suspects the girlfriend of the Admiral's son. When he confronts her, she reveals that she's also trying to find the spy and whom she suspects.

Episode 10
Thu, Dec 12, 198548 mins
While diving with TC, Magnum sees a young boy without diving gear who gestures Magnum to follow him.
Episode 11
Thu, Jan 2, 198648 mins
Higgins' friend brings his carnival to Hawaii and Magnum is asked to find the murderer of one of the trapeze performers.

Episode 12
Thu, Jan 9, 198648 mins
Robin Masters sends his punk nephew R.J. to the estate so that Higgins can straighten him out. But R.J. instead decides to emulate Magnum and takes one of his clients, who wants him to look for someone. And in the process is nearly shot by someone.

Episode 13
Thu, Jan 23, 198648 mins
Robin Masters has fired Higgins and Magnum is awaiting the arrival of his replacement.
Episode 14
Thu, Jan 30, 198648 mins
Magnum, TC and Rick are aboard a cruise ship guarding a wooden Hawaiian family God statue belonging to Robin Masters.
Episode 15
Thu, Feb 13, 198648 mins
Rick is sailing a yacht with four male passengers when the boat is attacked by gunmen.

Episode 16
Thu, Feb 20, 198648 mins
A man from the mainland hires Magnum to find his father whom he hasn't seen in 20 years. When Magnum brings his client to his father, the son pulls a gun and shoots his supposed father and wounds Magnum. Once out of the hospital Magnum goes on the hunt for the shooter and gets help from an unexpected source.
Episode 17
Thu, Mar 13, 198648 mins
Magnum is hired by a rich young woman who wants him to find a former family chauffeur who stole a string of pearls, or that is what she says.
Episode 18
Thu, Mar 20, 198648 mins
Higgins hosts the Hawaiian Islands World Class Invitational Chess Tournament reception. Meanwhile, Magnum investigates death threats to the president of Costa De Rosa, who is at the islands attending the tournament. Higgins' life is turned upside down when a man claiming to be his half brother Don Luis Mongueo - and rightful heir to the throne of Costa De Rosa - appears. And as Magnum investigates the death threats against the president of Costa De Rosa, he discovers there may more to Don Luis Mongueo than meets the eye.
Episode 19
Thu, Apr 3, 198648 mins
Magnum and T.C. are arrested when the owner of the land on which the Little League team's clubhouse is built evicts the team and demolishes the clubhouse. Rick wins one million dollars on a New Mexico TV game show and falls in love with a beautiful blond named Jeannie. Magnum and T.C. are arrested again when attempting to talk to the clubhouse landowner. Rick brings Jeannie back with him to Hawaii as his fiancée. Magnum and T.C. are arrested a third time when attempting to talk to the clubhouse landowner. Rick's new found fortune causes him to neglect his duties as club manager. Higgins threatens to fire him. Things go from bad to worse when two men kidnap Jeannie to force Rick to give them $40,000 he won from them in a card game - and the rest of the one million dollars he won on the game show.

Episode 20
Thu, Apr 10, 198648 mins
A woman who is writing a book about road signs hires Magnum because someone is following her and attempting to steal something but she does not know what it is.
