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.

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

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

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

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.

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.

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.

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.

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.

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

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.

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

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.

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

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

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.

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

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

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

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.

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

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

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

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.

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.

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

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

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

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.

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

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).

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

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

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.

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

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

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.

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.

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.

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.

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

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

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

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

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

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.

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.

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.

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.

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

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

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

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

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.

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

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

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

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.

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

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

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

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

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

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

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.

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

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

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

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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.

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

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

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

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 befriends the young Price of Jororo who is the target of terrorists.

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

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...

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

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