When Thomas's childhood friend and Naval comrade Dan Cook turns up dead, Thomas is adamant that the official cause of death, a burst bag of smuggled cocaine, is bogus, and 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.

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 investigating, using any means necessary...

Magnum is hired by a beautiful Chinese antiques dealer that he's making a play for to protect a precious ancient vase—The Soul of Sung—until its buyer arrives in Hawaii to collect it. But unbeknownst to him, the priceless ornament is wanted by a Tong gang from the girl's home country, and a deadly martial arts assassin who can kill in the blink of an eye is hot on the trail.

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.

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.

Higgins volunteers Magnum's services to guard a wealthy socialite's quarantined dog after the attempted dognapping of the canine. Sir Algernon Farnsworth soon finds himself to be the most wanted dog in Hawaii when his former owner, aging gangster Victor DiGiorgio, needs to get him back.

Although Eric Tobin was reported missing in action over eight years ago, his fiancee, Laura Fraser, endowed with ESP, doesn't believe it. Magnum befriends her and, in finding out the truth about Tobin, discovers that he was a highly trained and effective government agent working under the control of a man known only as Delta One.

Magnum is hired by a Supreme Court nominee to find the woman he married on the eve of the raid on Pearl Harbor.

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.

T.C. makes a late-night flight to land on a tanker, but on the journey back he is cornered and arrested by the Coast Guard for transporting drugs. Magnum and Rick are certain of their friend's innocence, but are shocked when he intends to accept the charges and refuses their help.

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 twists.

Having once been hired by wealthy, blind Agatha Kimball to find her missing granddaughter, Amy, Magnum's services are once again called upon by his elderly friend after she has been contacted by a blackmailer claiming to have some important information about Amy.

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. Although growing to enjoy the world of fantasy, Magnum has a hard time keeping up with the eccentric woman, and when he finds out that her husband is a wealthy, infamously jealous and bad-tempered business man, he decides to cut his losses and end the arrangement.

Magnum tries to impress a beautiful 'fan' of Robin's by showing her the Robin Masters estate, only to learn that she is actually a top security expert hired by Robin to test the estate's security.

Magnum is hired by Barbara Terranova, a financially broke woman who can only afford his services for one day, to find her missing fiancé Roger. But the case has several tangles in store when Magnum finds there are others searching for Roger, too.

The code of the West is resurrected when a hot-headed young Texan hires Magnum to find his former cheerleader sister.

Ancient superstitions and modern marine archaeology blend to provide Magnum with one of his most dangerous assignments.

An ethereal, mysterious beauty brings out Rick's sense of gallantry and he enlists Magnum's aid in solving a crime that occurred thirty-five years ago.

Magnum plays Cupid's helper when he becomes involved with a former Russian pilot who has defected and a member of the Soviet track team in Hawaii for an exhibition match, plus various members of the dreaded KGB.

Part 1 of 2. A tragic event which he believed had been successfully relegated to the far corners of his mind, resurfaces and explodes with jolting clarity for Magnum, when he briefly sees a girl he is convinced is his wife, reported dead in the ruins of Saigon.

Part 2 of 2. A tragic event which he believed had been successfully relegated to the far corners of his mind, resurfaces and explodes with jolting clarity for Magnum, when he briefly sees a girl he is convinced is his wife, reported dead in the ruins of Saigon.

An aloof, beautiful girl, a Sumo wrestler, and a little person spell trouble and intrigue.

Friendship has always ranked high on his list of priorities and when his good friend and surfing companion, Kacy, is found murdered on the beach, Magnum determinedly tracks down her killer.

Mad Buck Gibson, an old friend of Robin Masters and a legend in his own time for his earthy novels and macho existence, arrives in Hawaii and it becomes Magnum's lot to protect the hell-raiser from himself.

When her wealthy American husband is kidnapped and held for an exorbitant ransom, a beautiful Japanese woman seeks Magnum's help.

A simple request to act as a bodyguard for a world famous ballerina leads to a puzzling international situation for Magnum.

An eccentric, reclusive inventor, a beautiful author and a distraught senator's wife form the strange triangle surrounding Magnum as he tries to unravel a situation that could lead to sudden death.

Magnum is caught in the crossfire of international politics and terrorism when a news correspondent and an assassin, a master of disguises, arrive in Honolulu.

A relatively simple case of industrial espionage turns to a complex case of divided loyalties for Magnum, when he is hired by a computer magnate to investigate the theft of valuable codes.

A private investigator with amnesia is really in trouble, as Magnum discovers after his near fatal accident with the Ferrari leaves him in that condition.

When Magnum flies to Sicily, at the request of Robin Masters, to rescue a beautiful damsel in distress, he proves that chivalry is alive and well.

As a favor to his old friend, quarterback Dorsey Bramlett, Magnum joins the pro football team in training so he can better protect his old Academy buddy.

A high stakes poker game, international espionage, murder and dueling copter form the background of a complicated assignment for Magnum.

When Robin Master's latest book is made into a motion picture, the author donates the use of Robin's Nest as a location and Magnum is quickly enmeshed in the temperaments and politics of the film world.

Victory doesn't mean the end of the war for some participants and Magnum learns to his peril.

When Magnum encounters a guitar-playing, ten gallon hat wearer with a thick Texas drawl, who looks exactly like Higgins, he thinks he is being set up for a rip roaring gag.

A beautiful fashion designer who has risen to the top of her profession hires Magnum to protect her when one of her two partners in a clothing firm is murdered.

Magnum and TC put their lives on the line to protect an old Navy buddy who firmly believes the trio are marked for death from an enemy dating back to the Vietnam war.

As Magnum, T.C. and Nuzo plan to get to Ivan before he kills them, the Navy - in particular, Colonel Greene and Admiral Hawkes - have their own concerns and questions regarding Mac's death. But things are not as previously thought about Nuzo, and not only is T.C.'s life in great danger, but many other people's too, namely a Japanese prince.

A team of private investigators fly to Hawaii to recover a valuable and deadly native artifact, and find themselves in conflict with private investigator Thomas Magnum, Higgins, and a beautiful (but larcenous) socialite. The crossover continues on Simon & Simon S02E01 Emeralds Are Not a Girl's Best Friend (II).

The arrival by sea of a large crate destined for Robin Masters leads Magnum into a bizarre situation involving a wealthy Japanese businessman, his errant daughter and a fortune in pearls.

When TC's chopper, in which Higgins is a passenger, is hi-jacked for use in a spectacular prison break, it begins a dangerous chain of events for Magnum.

Higgins is on the hit list of African Mau-Mau warriors who are seeking bloody revenge on all ex-British soldiers in Higgins' old regiment.

A perplexed Magnum finds himself trapped in a time warp while attempting to clear a union leader accused of murdering a construction magnate.

An apparent freak fencing accident puts Higgins in jail for murder and Magnum on the trail of the real killer.

Earl Gianelli, an aged wrestler who hires Magnum to find his long lost son, puts the private investigator on a bloody trail of revenge.

Hired to protect a young tennis star, whose off-court behavior leaves much to be desired, Magnum finds his loyalties strained when a prime suspect turns out to be an old and dear friend.

Magnum is hired by a cocktail waitress who has been refused permission to scatter her dead father's ashes at Pearl Harbor, and wants Magnum to help her overcome Navy red tape.

Magnum offers to help a former Army nurse, now a doctor, who is accused of murdering three patients under her care.

A wealthy, much-hated practical joker caps his career by leaving Magnum over fifty million dollars in his will, much to the chagrin and potential enmity of his money-hungry relations.

When a valuable artifact entrusted to a modern day Samurai warrior is stolen, Magnum becomes involved in a culture and a way of life that hasn't altered in centuries.

With both Magnum and TC sponsoring youth basketball teams, their rivalry comes to a head with the appearance of a 13-year-old basketball whiz, Willie Hitchinson.

A vicious macaw, trained to attack, is only one of the problems facing Magnum when an elderly woman claiming to be Robin Master's former high school English teacher arrives at the estate to write a book on ornithologists.

The president of a family owned business hires Magnum to ferret out the dishonest activities of his nephew, who is supposedly stealing from the company.

When Higgins is involved in a dangerous accident, Magnum's investigation leads to a murder that occurred forty years ago in a Japanese internment camp.

Magnum is pleased to see his friend, Marcus, driving a new expensive sports car but the pleasure turns to dismay when Marcus' battered body is discovered in the surf.

A customized plane, being piloted to Hawaii by Sam Houston Hunter, a Vietnam vet, crashes in the tidal pool at Robin's Nest and everyone assumes it was insufficient gas and pilot error that caused it.

Conned by an old friend, Magnum and TC agree to deliver a set of encyclopedias, not knowing that the knowledge contained within is a large marijuana drop.

It's an ill wind that proves prophetic when a tropical hurricane unleashes its fury on the evening of a very important social event.

Higgins' half brother, an Irish Catholic priest from Northern Ireland, arrives in Hawaii to confront a British officer who he claims stole an ancient artifact from his church.

Magnum is caught in a treacherous current when his surf ski is capsized miles from shore with near disastrous results.

Magnum joins forces with a hard-nosed private eye from St. Louis whey they find themselves investigating the same case but from opposite ends of the spectrum.

Magnum and Rick discover that trouble comes in all shapes and sizes.

Magnum does not count on murder when he chaperones Rick's convent-school sister on a night on the town.

Hired to investigate a strange series of robberies, Magnum's gallantry comes to the fore when two seemingly helpless, but independent elderly ladies are involved in an accident.

A flowery note of admiration from Higgins to a titles English woman, traveling the Islands incognito, is mistakenly attributed to Magnum.

Robin's Nest may be lost to Magnum and Higgins unless the local softball team can beat high-powered tycoon Buzz Benoit's players.

TC puts life and limb on the line when he enters the boxing ring to repay an old debt.

Saigon's most popular disc jockey arrives in Honolulu and Magnum discovers she is the victim of vicious phone calls and threats.

Magnum, Rick, Higgins and TC spend an unexpected Christmas Eve on a remote island used by the military for gunnery practice.

Magnum befriends the young Prince of Jororo who is the target of terrorists.

Magnum must utilize his deductive powers when a lavish costume party becomes the scene of a baffling murder.

Magnum and Higgins' friend, Carol - now a Deputy District Attorney - cons them into helping her set up a sting operation.

Susan Johnson (played by Carol Burnett) is a bank teller who, desperate to hire Magnum, locks the two of them in a time-released bank vault.

An old friend from Magnum and TC's Vietnam days turns up in Hawaii asking for their help.

Magnum finds himself working with anachronistic gumshoe Luther Gillis again after someone kidnaps Higgins and Luther's secretary.

A young woman who persuades Magnum to look for her brother also finagles a role in Higgins' musical production for a visiting British politician.

A former British secret agent and old friend of Higgins arrives in Honolulu imagining himself as Sherlock Holmes.

A freak accident, occurring while Magnum is in hot pursuit of suspects causes traumatic injuries for an innocent bystander.

Magnum has feelings of déjà vu when he meets a young woman, who is a contestant in a Surf-Out held on Hawaii's North Shore.

The King of Kamehameha Club is robbed by masked gunmen and the three principal eye witnesses - Higgins, T.C. and Rick - have decidedly different views of what happened.

Magnum is caught between danger and intrigue as a frightened lady, who believes her life is in danger, involves him in a bizarre situation.

Magnum finds himself torn between twin sisters as his involvement with one brings him into conflict with the other.

Magnum seems to be lost between reality and fantasy, past and present, when he is convinced that he has seen an old friend, Mac, very much alive, walking the streets of Honolulu.

A reluctant Magnum agrees to help a friend of Higgins to find the person or persons responsible for the kidnapping of his grandchild.

TC's chopper is about to touch down at the helipad when he loses control over it and plunges into the sea.

Laura Griffin, a young woman with amazing psychic abilities, hires Magnum to investigate her own murder.

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 is very enthusiastic about his new project, teaching a class at the University about private investigation. The class is small but interest is great about everyone helps a student investigate the strange behavior of her fiancé.

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.

While Magnum is preoccupied with a very difficult case, help arrives just in time in the person of Luther Gillis, the hard-nosed private eye from St. Louis.

Magnum is displaced from the guest house when an overly imaginative novelist, who suffers from a sever case of writer's block, becomes suspiciously interested and involved in his latest case.

A very attractive security expert brings out the romantic in Magnum when she is hired to help protect Robin's Nest during a jewelry exhibit worth millions of dollars.

Higgins is very pleased with the prospect of his distant cousin's arrival. She is to marry the heir of an old Hawaiian family but turns out to be a true punk rocker.

Magnum investigates a case which involves his friend Carol who works for the D.A. and who is about to testify against a man sent to prison by her father while Higgins struggles with the truth during a visit of former Sandhurst friends.

Magnum and his friends, including Higgins, help a former Vietnam buddy to find a mutual friend being held prisoner in Cambodia.

While in Cambodia on a rescue mission of an old Army buddy, Magnum, Higgins, Rick and TC realize that their lives are on the line because of great danger and deceit.

Rick is the target of yet another of Mac's schemes but this time Mac goes too far, endangering everyone's life with his fantastic plan.

Lacy Fletcher seeks Magnum's help to unearth five songs which has been written by the legendary George Lee Jessup for the woman he loves before he died 25 years ago.

After Magnum has just been put through the wringer at the Hall of Records, he is very reluctant but finally agrees to help one of the clerks, a woman named Ms. Jones, who is looking for her missing husband.

A distinguished Frenchman contacts Magnum and asks for his help in supposedly finding a missing heir.

Danger and death are the overtones that result from a simple visit with Rabbi Asher Solomon when he arrives in Hawaii.

Magnum goes undercover and into a prison farm to find Darryl Jacobs who is the last person and former boyfriend of a missing young girl.

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 welcomes a former high school friend who enlists his help to rescue a highly trained dolphin.

After saving Lauren Henderson from nearly drowning, Magnum falls in love with her and is drawn into a difficult situation.

Magnum's services are enlisted during the imminent opening of an International Convention of Jewelry Designers at an Island hotel.

Magnum discovers that the death of TC's good friend was accidental.

Magnum returns home after 13 years to attend his beloved grandfather's funeral.

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

Magnum is hired to work with a representative of a publishing company to supervise a treasure hunt.

Magnum sees to it that a leak in the security system of a U.S. naval base at Pearl Harbor is eliminated.

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

Bizarre accidents overshadow the glitter and glamour of carnival on the island.

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

Magnum decides to investigate the mystery surrounding Higgins' sudden departure from Robin's Nest.

Magnum, TC, Rick and Higgins must guard the statuette of a priceless Hawaiian Family God on route to the Hilo Museum.

When Rick's boat returns from a cruise empty, Magnum, TC and Higgins go in search of Rick and his passengers who are presumed dead.

Magnum tastes death when he is set up by a hit man.

While searching for a missing boy, Magnum comes across a black market baby business.

Higgins must cope with a visiting dignitary, an invitational chess tournament and the appearance of his flamboyant half brother.

Friendships are tested when Rick becomes a million dollar lottery winner while TC and Magnum fight the destruction of TC's club house for underprivileged and troubled kids.

Magnum's encounter with a photographer uncovers an embezzler long thought dead.

A routine business trip brings Magnum a new love enveloped in a deadly duel involving politics and drugs.

Magnum and Cynthia became ever closer to each other as they investigate Marti's murder. Their search leads them to a drug trafficker, but their snooping around sees them almost killed. Back in Hawaii, T.C., with help from Rick and Higgins, continues to search for the missing Kenny, and get him out of the trouble he is in.

Magnum is hired to protect a deaf woman who is a famous artist, as well as the only eyewitness to a bank robbery and murder.

Magnum helps an ex-call girl find her missing sister who is involved with powerful political figures.

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.

Magnum becomes the obsession and medium for a crazed killer who works though nursery rhymes.

Magnum must help his ex-wife Michelle and her daughter to freedom before they are assassinated.

Magnum is trying to break a major gambling ring in the Islands while he and Higgins are feuding.

An attempt is made on the lives of Robin's guests and Magnum is upset that one guest wants mainland investigator Jessica Fletcher to handle the case. The crossover continues on Murder, She Wrote S03E08 Magnum on Ice (II).

Magnum is wounded while saving a young Hawaiian woman from a hired killer.

TC's daughter is abducted during a visit to the estate.

The murder of Carol's mentor, Judge Kearns, raises suspicion that he may have been involved in taking payoffs.

A survival trip for Higgins and a group of boys from prison camp tests Higgins' skills in the survival of the fittest.

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.

A case of mistaken identity leaves Magnum hunted by a Mexican mafia boss.

Magnum reviews his mortality, his last case and his friends while trapped under an airplane wreckage on a remote mountain.

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 works with Michael Doheny, a retired policeman, who is searching for the man who murdered his granddaughter.

Magnums weekend with Cynthia, his supposed fiancée, is interrupted by an actress claiming a movie producer murders girls in his pornographic movies.

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

Rick is arrested for allegedly killing a hit man contracted to murder Icepick.

Magnum finds his spirit in a state of 'limbo' following a shoot-out which leaves him in a coma.

Can Magnum's family and friends help him out of limbo? Can he get himself out? Magnum is caught between life and death on the season premiere.

If clothes make the man, Higgins is in for a swinging time while Magnum takes on a more dignified hue, complicating more than their respective daily routines on the estate.

Magnum gains a lovely assistant while working on a case for Higgins which exposes the inner workings of a dangerous mob figure.

Magnum investigates the death of a close friend, a lieutenant who may have been involved in illicit activities.

While helping Higgins with a pageant for the Hawaiian Historical Society, Magnum becomes infatuated with an ethereal and elusive local beauty, bringing danger to them both.

Magnum becomes embroiled in Carol Baldwin's professional and private life which puts his investigative skills on a sensitive course.

Bank teller Susan Johnson returns to Magnum's life with a bang: having recently become a detective, she opens fire on him during an investigation.

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.

Magnum's enthusiasm for a lucrative business deal is put on the back burner when TC's son lands in jail.

A priceless ancient scroll is the object of a search Magnum conducts at Higgins' request, and that could lead him to certain death.

Higgins is stalked by a mysterious killer whose game plan is to obtain Robin Masters' newest manuscript, and Luther Gillis, the St. Louis private eye, helps to muddy mysterious waters with his unwanted assistance.

While visiting his family in Virginia, Magnum receives an alarming phone call which sends him back to Hawaii to find romance, suspense and danger in a special two-hour finale.

As Rick's wedding looms ever closer, Magnum continues his surveillance on Linda to try and catch the psychopathic killer who is stalking her. T.C. faces a reconciliation with his estranged wife. And Magnum gets some surprising news about his theory that Higgins is really Robin Masters, as well as the true fate of Lily.