Season 1 - Episode Guide

When Oahu-based private investigator Thomas Magnum's childhood friend and Naval comrade, Dan Cook, turns up dead, Magnum is adamant that the official cause of death, a burst bag of smuggled cocaine, is bogus. He enlists the aid of Dan's sister, Alice, in taking on the Navy to uncover the true nature of the top-secret assignment Dan was working on before his death.

On original broadcast, episode aired as a pilot movie.

Magnum and Alice continue in their quest to find out the truth behind Lt. Dan Cook's death and find themselves uncovering a case of gold smuggling and a criminal mastermind whom Magnum and Dan once knew in Vietnam. But in trying to find out what really did happen to his deceased friend, Magnum puts his own life on the line as someone tries to stop him from continuing his investigation using any means necessary.

On original broadcast episode aired as a pilot movie.

Magnum is hired by a beautiful Chinese antiques dealer to protect an ancient vase known as The Soul of Soong until its buyer arrives in Hawaii to collect it. What he doesn't know is that the vase is also wanted by a Tong gang and a deadly martial arts assasin who will stop at nothing to get it for them.

It's the Christmas season, and against his better judgment, Magnum agrees to being hired by five young schoolgirls to find their teacher, who has seemingly gone missing after falling in love. While he's working on the case, Magnum manages to convince Higgins to let the young girls stay on the Masters estate, but he's unaware that he's being deceived in a scam over a valuable painting recently purchased by Robin Masters.

Magnum returns from a case to find that Higgins' old Army commander is staying on the Masters estate, under tight security, until some I.R.A. members he helped capture are tried. Two secret intelligence agents hire Magnum to protect the brigadier and foil assassins out to kill him before the terrorists' trial, but the "need to know" basis the agents insist on operating by only serves to complicate matters for Magnum.

When a beautiful model-actress is killed by a shotgun blast in a scenario closely resembling a scene from the script of an upcoming film, it is seemingly suicide. Magnum is hired by her former producer and lover to investigate any other men that she may have been seeing before her death; a case that Magnum is reluctant to take, but, feeling guilty for not taking it before the girl was killed, agrees to.

When Saul and Lena, an aging couple who run a local shop, abruptly make plans to leave town, suspicious Magnum and Rick, who are friends with the couple, investigate; only to arrive at the pair's home to see Saul whisked away in an ambulance after suffering a heart attack. Yet when they check at the hospital, he's not there, and it becomes apparent that Saul has been kidnapped. Magnum houses Lena at Robin's Nest while looking for her missing husband, where she explains that they are Holocaust survivors who are being hunted by neo-Nazis.

After an attempted dog-napping, Higgins volunteers Magnum's services to guard a wealthy socialite's quarantined dog. Things get complicated when the dog's former owner, Victor DiGiorgio, who also happens to be a notorious gangster, tries to get him back. In time, "Sir Algernon Farnsworth" finds himself to be the most wanted dog in Hawaii.

Inspired by her recent visions, a new singer at the King Kamehameha Club, hires Magnum to find her fiance, Eric, a Marine listed as Missing In Action. Thomas discovers that Eric was a member of the top-secret 'Delta Section' and is, in fact, still alive. Someone else, however, is searching for him and they are determined to bring him in and keep him quiet, at any cost.

Magnum is hired by a Supreme Court nominee to find the woman he married on the eve of the raid on Pearl Harbor. He was a young Navy Ensign, she was a prostitute, and after their marriage they subsequently became separated in the bombings, with the Judge presuming her dead, until recently, after he started receiving blackmail threats relating to an incident 40 years ago.

Rick is organizing a surf-ski competition to be held at the King Kamehameha Club (much to the disapproval of co-committee member Higgins) when a Kahuna appears and places a "curse" on the club and all who use it. Magnum and others are skeptical, but it seems there may be something in it when one of the competitors suddenly collapses and dies, fire breaks out in the kitchen, and Rick falls ill. Magnum investigates to try and find if there is a more logical explanation behind the events, but his inquiries aren't helped by a hounding news reporter, who sees the series of strange incidents as a chance for a big news story.

T.C. makes a late-night flight to land on a tanker and is arrested on the journey back for transporting a Marine deserter. Magnum and Rick and certain of their friend's innocence and are shocked when he is willing to accept the charges. Determined to clear T.C.'s name, they soon discover that his secret flight brought back more than he had bargained for.

A bubbly young woman hires Magnum to find her father who, after being missing for over ten years, had sent her a postcard from Hawaii. But her father is involved in some rather shady business, and Magnum isn't the only one looking for him.

A woman hires Magnum to protect "Norman", who is facing kidnap unless she pays a ransom, but the case has some unexpected turns when Magnum finds that her uncle is an old Vietnam comrade who is against him being hired, and that Norman is none other than a prized racehorse.

Magnum's services are once again called upon by Agatha Kimball after she has been contacted by a blackmailer claiming to have some important information about her granddaughter, Amy, but a botched money drop has Magnum thinking they're in far worse trouble than he's been led to believe.

Magnum has been hired by a woman to act out some of her rich, bored sister's fantasy dramas, concocted from 1930s Dashiell Hammett films, but soon finds himself involved in a real mystery.

Magnum tries to impress a beautiful fan of Robin's that he befriends by showing her Robin's Nest, only to learn that she is actually a top security expert hired by Robin to test the estate's security after receiving a threat on his life.

Magnum is hired by Barbara Terranova, a near-bankrupt woman who can only afford his services for one day, to find her missing fiance, Roger, but she's not the only one searching for him. Meanwhile, T.C. gets Magnum to compete in the Ironman triathlon to give Island Hoppers some publicity.