McGarrett poses as a scientist and allows himself to be kidnapped, setting up a final confrontation with his evil nemesis, Wo Fat.
McGarrett probes the murder of a blackmailer whose information could destroy a political candidate's campaign.
McGarrett has difficulty understanding the motivation of a killer preying on seemingly harmless birdwatchers; guest John Dehner.
A World War Two medal found on the body of a former Nazi hunter leads the team on a hunt for a war criminal. Seventies crime drama, starring Jack Lord
Blame falls on Five-0 after three students accomplish an apparently impossible jewel theft; guests Jeff Daniels, Linwood Boomer.
An intuition warns McGarrett of danger when he meets the clever aide of an Asian leader in Honolulu to pick up a shipment of gold.
A bit of luck clues McGarrett to the work of a counterfeiter who has reluctantly come out of retirement; guest Neva Patterson.
Foreign agents use every means, including assassination, to stop a vital energy conference; guests Gary Lockwood, Monte Markham.
A hairdresser provides an important clue in the kidnapping of a socialite whose frightened husband doesn't want police involved.
McGarrett investigates after the residents of a privately owned island exhume the remains of two young people and dump them at sea.
The key to a stolen jewel cache and a long-missing accomplice may lie with a psychic who was only a child when the crime occurred.
McGarrett confronts two terrorists who threaten to kill their hostage, a woman police officer, unless their demands are fulfilled.
The Five-0 team follows the trail of a stolen World War II souvenir handgun whose various users have caused a string of murders.
A confused woman (Linda Marsh) claims a man (Soon-Teck Oh) she once shot to death is behind attempts on her life; guest Guy Boyd.
Someone is causing the Five-0 members to appear inept and foolish in public; guests John F. Ryan, Jason Evers.
Although skeptical, McGarrett heeds an astrologer's (Jayne Meadows) warning about the grim portents she sees in a boxer's chart.
McGarrett thwarts a secret ring of high-society vigilantes; guests Robert Reed, Elyssa Davalos.
After a Five-0 recruit is killed by bandits, McGarrett tries to prevent the officer's widow from seeking revenge.
McGarrett is in the middle when a group of native islanders takes on Hawaii's crime syndicate; guest Barbara Luna.
Native islanders battle a crime syndicate for possession of a labor union and tourism profits; guests William Smith, Harry Guardino, Paul Smith, Barbara Luna.
McGarrett and Danny investigate a drug ring in Singapore; guests Barry Bostwick, Victoria Principal, George Lazenby.
An Asian dies en route from Bangkok to Honolulu when a bag of heroin bursts in her stomach; an investigation links the drug ring to the Hawaiian government; guests Barry Bostwick, Victoria Principal, George Lazenby.
McGarrett's hunt for a serial murderer is made more difficult by the interference of a writer looking to cash in on the killer's story.
McGarrett must protect a physician suspected of drug peddling from a grieving father (Cameron Mitchell).
McGarrett suspects an old police friend (Robert Loggia), a private detective, is involved in murders of pimps.
A songwriter (Paul Williams) with a photo blackmails a racketeer and a local power broker.
McGarrett warns a flippant socialite (Tricia O'Neil) about bringing her ruby along on a Hawaiian trip; guest John Saxon.
An elderly detective-novelist (Mildred Natwick) informs McGarrett she solved the death of a scuba diver; guest Robert Vaughn.
After a major theft at a seemingly impregnable bank, McGarrett finds a connection to similar, earlier crimes; guest Robert Reed.
A singer's manager (James Darren) seeks a mob alliance to keep a local hood away from his client (Yvonne Elliman).
A mobster's plans to acquire a nightclub include murdering its singer (Yvonne Elliman); guest James Darren.
McGarrett is suspicious when the gun used to threaten an evangelist is found to be unloaded; guests Jean Marsh, James B. Sikking.
The hit-and-run death of a Canadian businessman registered under an assumed name puzzles McGarrett; guest Sharon Farrell.
Danny's high-school sweetheart (Katherine Cannon) is arrested for shoplifting then linked to a mad killer; guest Burr DeBenning.
Investigating a Chinese crime syndicate in Honolulu, McGarrett arranges the escape of a mob-connected prisoner.
McGarrett's suspect in a theft at an Egyptian exhibition is only a small-timer who winds up murdered.
Danny goes under cover in a neo-Nazi organization to investigate a violent hate campaign directed against a congressional hopeful.
Hired by a crime-syndicate chieftain, a jet-setter and his girlfriend (Zohra Lampert) scheme to discredit McGarrett.
Sole dissenting juror McGarrett insists on a re-enactment of a murder to confirm or erase his doubts about the accused's guilt.
Narrowly escaping death from a bomb-rigged briefcase, McGarrett is again in danger, from drugged and brainwashed Danny.
A famous astrologer (Samantha Eggar) promises she can predict the next serial murder linked by a common horoscope.
McGarrett calls on a Pentagon agent (Steve Kanaly) after an operative is slain probing a research organization.
An undercover operation results in Chin Ho's murder : can Steve track down the killer? Seventies crime drama, starring Jack Lord
The body of a horse-breeder, supposedly buried four months before, is found in a cane field.
The threat of a diplomatic incident looms when a reporter (Luciana Paluzzi) refuses to reveal her source for a planned kidnapping.
Strange occurrences in a cryogenics institute interest a mystery writer; guests Peter Lawford, Mildred Natwick.
An artist's death spurs a series of puzzling homicides that seem linked to the dead man's estate; guest Helen Funai.
A collector of World War II memorabilia bombs firms owned by a respected Japanese-American businessman.
McGarrett reluctantly sends a Maui policewoman (Carol Lynley) under cover to infiltrate a narcotics operation; guest Vic Tayback.
The death of a girl links two terrified surfers -- one who caused the tragedy and another suspected and on the run.
McGarrett clashes with a federal agent while looking for a drug dealer sought for killing a police officer; guest Charles Cioffi.
A rising young politician (David Birney) is the victim of a blackmail scheme designed to squelch a congressional probe.
McGarrett takes his first under cover assignment when he poses as a merchant seaman to probe the murder of a labor-union reformer.
McGarrett gets involved when an influential father objects to his 16-year-old daughter's romance with a poor boy.
The missing student (Sian Barbara Allen) of a foreign expatriate may hold the vital clue to solving her instructor's watery murder.
Brilliant collegians perpetrate a tidal-wave hoax as part of a jewelry heist; guests Leigh McCloskey, Sid Clute.
McGarrett suspects a link between the appearance of a mystery sub and the murder of a U.S. Navy officer; guest Geoffrey Lewis.
An Eastern European tennis star, secretly in love with an American player (Tim Matheson), defects in Hawaii; guest Kurt Russell.
A real-estate huckster, a former astronaut, helps solve the murder of an investigative reporter.
A disgraced former police officer complicates McGarrett's search for two fugitives who robbed an armored-truck; guest Gil Gerard.
An ancient taboo seems to be the motivation for the murder of an archaeologist rumored to have found the tomb of King Kamehameha.
A Honolulu police department officer (John Rubenstein) is a guest in a home when a raid there uncovers a bookmaking operation.
The governor orders McGarrett to cooperate with a magazine writer (Jean Simmons) who criticizes his handling of a kidnap case.
A shipping tycoon (Rossano Brazzi) calls on the Coast Guard and Five-0 after one of his freighters is hijacked; guest Mark Lenard.
An Irish terrorist infiltrates a U.S. military facility to hijack explosives for sale in Northern Ireland; guest Stephen Boyd.
A murder investigation leads Five-0 to the proud matriarch (Eleanor Parker) of an influential island family; guest Cal Bellini.
A team of criminals schemes to steal M-16 rifles and sell them to international terrorists; guests Lee Purcell, Charles Frank.
A Los Angeles police detective's runaway daughter is framed for murder and hides in a religious cult; guest Jessica Walter.
The hunt for a missing rodeo cowboy links with the discovery of the bodies of a woman and an orange-painted man dumped in the sea.
McGarrett begins to become suspicious while helping the Navy search for a sunken Soviet submarine; guests Pat Hingle, Mel Ferrer.
A mainland gangster needing a place to launder money tries to force a football-club owner to sell his team; guest Jo Anne Worley.
A country singer is kidnapped, then apparently dies at sea with her abductors; guests Pamela Franklin, Christopher Connelly.
An elderly man whose home is threatened with demolition vows to blow himself up if his demands are not met. Seventies crime drama, starring Jack Lord
The head of a gambling syndicate kills a police officer in a hit-and-run auto incident; guests John Ritter, Nehemiah Persoff.
McGarrett searches the mountains of Oahu for a rapist and a missing woman : can he find them before they encounter each other? Seventies crime drama, starring Jack Lord
McGarrett and a Tokyo police officer hunt smugglers sending handguns to Japan; guests France Nuyen, Edward James Olmos.
McGarrett finds himself the subject of a frame-up when his girlfriend is murdered. Seventies crime drama, starring Jack Lord
An avenging man (Rich Little) pursues a drug dealer who contributed to a former addict's death; guest Mel Ferrer.
A vengeful ex-convict (Don Stroud), partially paralyzed by a police bullet, begins shooting officers; guest Gerald McRaney.
A crime czar's aide learns his boss's daughter took $10 million from her father and decides to blackmail her; guest Clyde Kusatsu.
Kuzak and Van Owen argue about the defence of two young men accused of a shooting, and Brackman turns to Rusty for sympathy when his reconciliation with Sheila falls through
A man who was wrongfully convicted of murdering his wealthy wife escapes from prison to prove his innocence.
McGarrett is called in to investigate a trio of mutineers when a California-to-Hawaii race turns deadly. Seventies crime drama, starring Jack Lord
A forger (Kevin McCarthy) steals over $14,000 from the Five-0 team, then targets a bank and the U.S. Navy.
McGarrett and the team hunt down an assassin : but with no name, description or intended victim, will they catch him in time?
Five bodies are found in a volcano crater and McGarrett has to find the poison which killed them before anyone else dies
McGarrett is sure that an extortionist is responsible for the serial murders of prostitutes; guests Ned Beatty, Elaine Joyce.
A museum curator plans to stage the biggest robbery the island has ever seen : but can he fool Steve McGarrett?
In Hong Kong on Wo Fat's trail, McGarrett has amnesia from nearly drowning; guest Dina Merrill.
The probe of a theft of nerve gas puts McGarrett on Wo Fat's trail, which leads to Hong Kong; guest Dina Merrill.
McGarrett sends in an undercover agent to identify the gang responsible for a series of dental supply gold thefts.
When the wife of a wealthy land developer is kidnapped, McGarrett is reluctant to accept the obvious culprit
A Japanese terrorist kidnaps the son of a wealthy industrialist : can McGarret find the boy before it's too late? Guest starring Bruce Boxleitner
Criminals threaten Hawaii's sugar-cane industry by introducing the larvae of a voracious moth; guest Richard Kiley.
McGarrett's search for a killer is making slow progress until the murder victim's room-mate decides to help the investigation
Five-0 pursues a crooked building inspector after a deadly fire devastates a new trade center; guest John Karlen.
The airtight murder case against a racketeer crumbles when McGarrett learns a witness duped him; guest Henry Darrow.
An aged Japanese importer, an ex-spy who may have known the location of a fortune in gold, is slain; guest Lew Ayres.
A deranged youth uses a deadly nerve gas to threaten the lives of a visiting family in an attempt to avenge his dead father
McGarrett's probe of Oriental-art smuggling grinds to a halt when he is charged with possession of one of the items.
The investigation of a stabbed college football star points to a gang-rape cover-up and a U.S. senator's son; guest Richard Masur.
A crime writer finds a body and prompts the reopening of the case of a long-missing youth; guest Eileen Heckart.
McGarrett is called in to investigate a wave of burglaries : but with none of the stolen goods on the black market, the team are short on clues
A drug smuggling involves an Asian-bound cargo ship and a Honolulu fishing boat; guest Jack Cassidy.
Danno's Aunt Clara arrives in Hawaii and becomes involved in an investigation when her seat-mate from the plane is murdered
Five-0 must protect a singer (Lois Nettleton) whose eyewitness testimony can convict a Hawaiian racketeering kingpin of murder.
When a brilliant physicist wants to defect to the West, McGarrett is forced into a conflict with an overbearing US Navy scientist
McGarrett is exchanged for a group of hostages, but finds himself charged with murder by a gang of dangerous convicts lead by his old adversary, Vashon
The team investigate a villainous plot to shoot down an airliner : but they have no idea which one
The Honolulu murder of a gambler sends Five-0 in pursuit of a Las Vegas courier; guests Susan Dey, Andrew Prine, Marc Singer.
McGarrett searches for a missing Englishman suspected of passing secrets to enemy agents; guests Juliet Mills, Dan O'Herlihy.
An armed, escaped convict (Charles Cioffi) holds badly wounded McGarrett hostage after their plane goes down in a severe storm.
On his annual naval-reserve cruise, McGarrett must investigate the letter-bombing of a Navy intelligence officer; guests Harry Guardino, David Birney, Donna Mills, Lloyd Bochner.
The letter-bomb murder of a Navy intelligence officer interrupts McGarrett's annual naval-reserve duty.
The team work with an air traffic investigator to stop the sale of illegal plane tickets, a racket that has already cost several lives
A Saturday Night special leaves Five-0 a bloody trail of murder and misery as it passes from owner to owner.
McGarrett clashes with a police captain over Five-O's handling of a murder/kidnapping; guests Linda Purl, Scott Brady.
McGarrett tracks an assassin and his target to avert a mob war; guests Sal Mineo, Tommy Sands, Nehemiah Persoff.
A heroin smuggler is slain before he can sell information to the police; guests Ed Flanders, Bruce Boxleitner.
A surrealistic painting holds clues to solving a psychiatrist's murder; guests Richard Hatch, Gretchen Corbett.
When a reward is offered for the return of a collection of rare figurines, McGarrett finds himself investigating a $1million murder
A deputy public defender criticizes McGarrett after he arrests a poor child for a minor theft; guests France Nuyen, Bert Convy.
Three desperate women in dire financial straits rob tour buses at gunpoint; guest Eugene Roche.
A computer is programmed with incorrect data to throw McGarrett off the trail of the villains in a murder investigation
A Honolulu death is linked to the disappearance of a valuable human fossil from China just before Pearl Harbor; guest Vic Tayback.
McGarrett's investigation of a Japanese banker who committed ritual suicide uncovers an international swindle; guest Ossie Davis.
McGarrett is assigned to protect a visiting Red Chinese foreign minister : but with Wo Fat back on the island, Jack has more than enough to keep him occupied
A businessman accuses the Five-0 squad of demanding $100,000 in protection money from him; guests Cameron Mitchell, Frank Gorshin.
In his search for the mobsters who injured him, McGarrett becomes romantically involved with a lovely fellow victim.
Irreplaceable French paintings vanish from a millionaire's private collection despite a fail-safe electronic security system.
McGarrett has a puzzle on his hands when the victim of a gangland killing appears to have more than one identity
A cattle baron (Leslie Nielsen) seeks revenge when one son (Perry King) says another was killed; guest Bruce Boxleitner.
McGarrett investigates a series of liquor store robberies which appear to be linked to an unsolved bank heist
McGarrett investigates written threats on the life of the chairman (William Windom) of a state senate crime committee.
McGarrett trails a sophisticated villain who passes on stolen goods to legitimate businessmen by socialising with fashion models and buyers
A psychopath re-enacts murders featured in an article recounting the team's past crime-solving efforts.
A scientist plants a bomb in a volcanic national park and threatens to blow up an entire city unless he receives $500,000
Danny and a college professor are held hostage until two members of a radical group are released from jail.
A stylish jewel thief evades McGarrett and then sends the Five-0 chief an invitation to his next performance; guest David Wayne.
A comedian (John Byner) complicates McGarrett's investigation of a robbery-kidnapping aboard a cruise ship; guest William Devane.
An extremist (Anthony Zerbe) embarks on a deadly crusade against what he sees as law-enforcement leniency.
An investigation of five rape-murders points to the police; guests John Beck, Katherine Justice, Alan Fudge.
A search for sunken treasure leads into the Pacific off Oahu; guests James J. Sloyan, Peter Donat.
A retired narcotics agent's (Andrew Duggan) son (Peter Strauss) is suspected of manufacturing heroin; guest George Kennedy.
A professional killer pursues an eyewitness (Mark Jenkins), using the man's dropped library card as his clue.
A con game targeting wealthy male tourists goes awry when a victim falls to his death from a hotel window; guest Ed Flanders.
The Banzai Pipeline surfing beach is the setting for three murders connected to a film production.
Bank robbers fake a military emergency to cover up their crime, sending Five-0 to the windward side of Oahu to investigate.
A thief (Victor Buono) steals a nickel valued at $100,000, which his panicked accomplice later drops into a vending machine.
McGarrett attempts to untangle the mystery surrounding a man whose time of death is the subject of a macabre lottery
A nuclear physicist is caught up in a scheme demanding money from the government - or an explosive device will be detonated on the island. Guest starring Lew Ayres
McGarrett doubts his expert in a case of forged government bonds when authenticated documents lack fingerprints of bank employees.
A Latin American dictator comes to Hawaii to help his kidnapped daughter, but is killed soon after her release; guest A Martinez.
A woman sets up an opal smuggler (Don Knight), who appears to be a reputable jewel merchant, to be robbed of a fortune in gems.
McGarrett uses a mainland undercover agent to stop a scam involving greedy heirs and an insurance company.
Competing vice empires are set for violent clashes when a flesh peddler is assassinated - can McGarrett avert a full scale gang war?
A federal tax agent (Don Porter), posing as a man indicted for tax evasion, murders for $600,000 in stolen money.
A man with classic symptoms of pyromania appears to be the perfect victim of a frame-up for a series of weekend arsons.
A family of small-time killers brings its murderous ways to Hawaii, mystifying the Five-0 unit; guests Slim Pickens, Bo Hopkins.
Five-0 boards a deported mobster's boat (Nehemiah Persoff), unaware both man and vessel may carry plague; guest Bert Convy.
McGarrett investigates a series of mysterious killings that appear to be motiveless and occur at six week intervals. Drama, starring Jack Lord
A man whose hands were severed hunts down every officer he believes bears responsibility for the maiming. Seventies crime drama, starring Jack Lord
McGarrett's informant relays that a murder-trial juror has been bribed to produce a hung jury; guest Ray Buktenica.
A cat burglar (Eric Braeden) strikes a prominent family, starting a chain reaction that ends in death.
An extortionist preying on small-business men courts the daughter of one of McGarrett's trusted deputies.
A travel agent is killed when he compete in the gambling arena, but his business partner decides to risk carrying on. Seventies crime drama, starring Jack Lord
A child is kidnapped by a pair of inept crooks, and McGarrett tries to bring her back safely. Guest starring Nina Foch
A shopkeeper (Nehemiah Persoff) becomes the center of a plot to assassinate a defector; guests Mark Lenard, Malachi Throne.
A senior partner in a stockbroking firm masterminds a plot to rob the Honolulu Stock exchange, and McGarret must foil his plans. Seventies crime drama, starring Jack Lord
McGarrett investigates a suspected killer who seems to be able to appear in two places at the same time. Seventies crime drama, starring Jack Lord
A psychiatrist becomes the victim of his patient's extortion scheme. Seventies crime drama, starring Jack Lord
A jailed mother-to-be (Patty Duke) agrees to testify against a drug dealer if she is released and wed to her baby's father.
McGarrett becomes suspicious when no ransom demands are made for infant snatched on a Honolulu street; guest Meg Foster.
Husband-and-wife swindlers (Andy Griffith, Joyce Van Patten) nearly spark a war between two powerful mobs.
A band of vigilantes are arrested, forcing McGarrett to provide extra security when they receive bomb threats
The patriarch of the Vashon crime family plots to have McGarrett framed for homicide and jailed in disgrace.
Part two. The Vashon family believe McGarrett is responsible for the death of their son and launch a vendetta against him
The scion of a crime family is arrested, but his release sparks a new reign of mob terror; guest Harold Gould.
Injured Danny fights to recall details of an assassination plot against a Chinese diplomat; guests Keenan Wynn, Philip Ahn.
A public-health official is murdered while investigating sexually transmitted diseases; guests Dirk Benedict, Mary Frann.
An Army officer (Clu Gulager) plots to hold a scientist for a ransom of $1 million in diamonds; guest Michael Conrad.
McGarrett suspects criminal genius Wo Fat when a secret missile is stolen and offered to the highest bidder; guest Soon-Teck Oh.
McGarrett has to contain the public outcry when Danno mistakenly shoots an innocent pedestrian when trailing a liquor-store robber
The squad investigates a lucrative blackmail unit following the deaths of wealthy businessmen. William Shatner guest stars
When two of a racing driver's support staff are murdered, suspicions of sabotage fall upon his attractive girlfriend. Crime drama, starring Jack Lord
A crime-solving computer fingers one of McGarrett's men for the murder of a mob figure; guests George Chakiris, Michael Ansara.
The team goes after a serial killer who is targeting the wives of his army unit's members. Seventies crime drama, starring Jack Lord
The team tries to bust a shipboard heroin ring. Real-life Admiral Joseph McGoldrick features as the admiral in charge of the Navy's substance-abuse recovery programme in the 1970s crime drama, starring Jack Lord
Three seemingly ordinary people are recruited to make a hit on a visiting mob boss from Chicago, leaving McGarrett pondering how they blackmailed into contemplating such a murderous act. Seventies crime drama, starring Jack Lord
A convicted murderer escapes prison, spurring McGarrett to visit the home of a woman the felon had earlier been threatening. Seventies crime drama, starring Jack Lord
A man suffocates at his birthday party, shortly after receiving a card stating this will be his last such celebration. Seventies crime drama, starring Jack Lord
A reclusive billionaire is implicated in the murder of one of his associates, and abducts McGarrett to plead his innocence. Seventies crime drama, starring Jack Lord
A soldier is arrested when a young woman is found beaten and raped - but McGarrett doubts his guilt. Drama, starring Jack Lord
Several faces from McGarrett's past reappear as he tries to stop Wo Fat's actions. Drama, starring Jack Lord
Someone is trying to frame McGarrett as a thief; Wo Fat plans to sabotage a missile tracking base; with Dana Wynter.
A gambling chief forces a woman to fake a suicide attempt to bring her fiance out of hiding; guests Loretta Swit, Malachi Throne.
A veteran criminal escapes from jail and sets about a plan to steal millions of dollars from drug smugglers
McGarrett and the team try to find out who is behind a series of stunts by ecological campaigners. Seventies crime drama, starring Jack Lord
A mob boss seeks revenge on a former boxer who broke the hand of a novice. Seventies crime drama, starring Jack Lord
McGarrett tries to deal with conflicts between several gangs of different ethnic backgrounds. Seventies crime drama, starring Jack Lord
An embittered former police officer, who blames McGarrett and the team for getting him kicked out of the force, plans to assassinate the Governor. Crime drama, starring Jack Lord
A terminally ill man confesses to the killing and robbery of a wealthy woman. Seventies crime drama, starring Jack Lord
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Five seemingly good citizens with different motives band together to steal $6million. Seventies crime drama, starring Jack Lord
McGarrett comes into contact with a gang that specialises in the theft of air cargo to sell on the black market. Drama, starring Jack Lord
A psychotic sniper endangers the lives of motorists as he fires at cars from a hillside bunker overlooking a major highway.
A mugging victim (Vic Morrow) arouses McGarrett's suspicion after refusing to press charges and disappearing from the hospital.
The unit goes up against a sophisticated gang that have come to Hawaii to cash $750,000 in travellers cheques. Drama, starring Jack Lord
The unit chases Vic Tanaka, who paints the faces of his murder victims to resemble a former prostitute. Seventies crime drama, starring Jack Lord
Gangster Johnny Oporta has his enemies murdered, before incinerating their bodies to cover up the crimes. Seventies crime drama, starring Jack Lord
A 10-year-old case is reopened when an archaeological dig unearths two skeletons. Seventies crime drama, starring Jack Lord
Part two of two. More crime and detection in the state of Hawaii. Seventies crime drama with Jack Lord
Part one of two. A famous baseballer arrives in Hawaii with his son to escape the death threats he has received at home. Seventies drama starring Jack Lord
A vengeful man who blames Danny for his brother's death seizes Five-0 headquarters and then reveals that he is a walking time bomb.
McGarrett is forced to reinvestigate an old case when a convict's wife interferes with a current investigation. Seventies crime drama, starring Jack Lord
A munitions dealer (Paul Burke) arranges his wife's kidnapping to force a government to pay a higher fee for an arms shipment.
Part two of two. The team battle murder and double-crosses to foil the machinations of Wo Fat and the would-be counterfeiters. Seventies crime drama, starring Jack Lord
Part one of two. International agents come to Hawaii in order to bid on printing plates for $20 bills - which are owned by a friend of Steve's. Seventies crime drama, starring Jack Lord
Danno goes undercover to investigate the death of a Vietnam veteran, and discovers family links which could help crack the case
An electronic genius is busted out of prison by a gang who want to use his expertise to help execute the perfect diamond robbery
Following a confrontation over a land dispute, a cowboy ends up with a corpse on his hands, and McGarrett is assigned to investigate the case. Seventies crime drama, starring Jack Lord
A convicted murderer (Monte Markham) demands Five-0 prove him innocent in exchange for the life of his hostage, a prison doctor.
McGarrett tries to save a hoodlum and his girlfriend, who together stole a kidnap ransom; guests Albert Salmi, Joyce Van Patten.
The team seeks a killer who inscribed lines from Byron on the legs of his victims, one of them Danny's fiancee; guest Ann Archer.
McGarrett must keep his wits about him as he tracks a veteran thief who leaves Monopoly money at the scenes of his crimes. Seventies drama, starring Jack Lord
McGarrett and the team go in search of the criminals who set up a singer as the fall guy for a sewage plant bombing. Seventies crime drama, starring Jack Lord
A hit-man falls in love with his intended victim and the team must track her down before duty overrides emotion. Seventies crime drama, starring Jack Lord
A war veteran recognises a high-ranking Japanese business executive as his former captor. Crime drama, starring Jack Lord
Evidence indicates a boat explosion that killed a businessman and injured McGarrett may be one in a series of similar cases.
Kono is captured while tracking down a boy's kidnappers, forcing McGarrett to form a rescue plan. Seventies crime drama, starring Jack Lord
A visiting Russian violinist has his instrument stolen, which could become an international incident unless McGarrett can recover it. Seventies crime drama, starring Jack Lord
McGarrett investigates the murder of a lawyer, whose wife turns out to be the detective's former lover. Seventies crime drama, starring Jack Lord
A a self-exiled Greek doctor and a news correspondent who arrives to interview him are targets of assassins.
One of McGarrett's own team is implicated in the smuggling of contaminated heroin, which destroys a singer's hope of a comeback, and kills the drummer in the band
A US undercover agent returns from a 10-year mission in China and ends up critically wounded. McGarrett and his squad are sent to round up the villains responsible
Seventies crime drama, starring Jack Lord
A beautiful thief (Joanne Linville) posing as a socialite schemes to steal a Hawaiian royal jewel; guest George Gaynes.
Part two. A bacteria-filled test tube has been secreted away by scientific genius Alex Kline, and the squad face a race against time to find it
Part one. The squad investigate the disappearance of a scientist who has discovered a biological mutation hostile to all life-forms on Earth
A renowned research scientist, conned into believing he shot and killed a man, disappears from his important government assignment.
A policeman's wife is murdered and the grieving widower is determined to get retribution. Can the squad persuade him to let justice take its course?
One of McGarrett's most trusted investigators is accused of accepting a bribe from a major narcotics dealer; guest Martin Sheen.
A young honeymooner loses his life after taking part in a dishonest poker game, leaving McGarrett to solve the mystery of who did it
A psychiatric worker attempts to drive one of his patients mad, to stop him revealing his dark Vietnam past. Guest starring David Arkin and Jeff Pomerantz
A soldier goes AWOL, and during the pursuit a shore patrolman is shot. Attempts to bring the perpetrator to justice meet with militant resistance
The girlfriend of a fitness guru dies while attempting a hanging-type exercise.
McGarrett's friends throw a surprise birthday party for him, with lots of presents - but one of them is booby trapped, leading to terrible consequences for Steve
A bank robbery takes place while the Five-O team are guarding a different bank nearby. When the heist turns bloody, McGarrett must bring the leader in before anything else goes wrong
A beautiful, spoiled heiress toys with the affections of two young suitors - with dangerous consequences. Seventies crime drama, starring Jack Lord
A businessman's son is kidnapped, forcing him to pay a $300,000 ransom - but when the boy escapes, Five-O must recover the money. Seventies crime drama, starring Jack Lord
Steve McGarrett is assigned to protect a dictator, whose plane is diverted to Hawaii by potential assassins
McGarrett's investigation of a former mobster implicates a state committee head; guests James Gregory, Keye Luke.
McGarrett faces a dangerous return trip to Hawaii as he comes to the rescue of a witness in Singapore who has decided to testify in a case
A prank turns serious when university students who stole the cherished robe of King Kamehameha decide not to bring it back.
McGarrett must counter a threat by an international terrorist who plans to use a fungus to wipe out Hawaii's sugar cane. Seventies crime drama, starring Jack Lord
McGarrett's plans go awry when he uses a policewoman as bait after discovering a university professor is hypnotising students into becoming assassins
McGarrett puts his Sunday on hold to track down a revolutionary group who have stolen guns from a barracks for their overseas cause. Seventies crime drama, starring Jack Lord
A salesman witnesses the murder of a prostitute he has just used, but is reluctant to testify for fear of damaging his reputation. Seventies crime drama, starring Jack Lord
A geneticist is snatched after being evacuated from a conference, but uses his diabetic medical condition to thwart his kidnapper's plans
A Japanese World War Two veteran escapes from a mental institution, intent on carrying out his orders to blow up a refinery. Seventies crime drama, starring Jack Lord
A US Army sergeant and an office worker begin using innocent dupes to claim GI widow benefits, and then murdering them to get hold of the cash. Seventies crime drama, starring Jack Lord
McGarrett is shot on a beachside jog, leaving Danno and the team working feverishly to find the culprit and prevent him striking again. Seventies crime drama, starring Jack Lord
Visions of an ancient volcano goddess figure in plans to kill an old man to gain control of his land; guest Sally Kellerman.
Chin Ho and Dan Williams are tracking a safecracker but he pulls a gun and Danno ends up shooting him. McGarrett takes the identity of Harry Brown and must infiltrate a sophisticated gang of international thieves.
McGarrett must determine whether the leader of a peace movement who was shot and killed was the assassin's intended target.
Despite public sentiment and a lack of damaging evidence, McGarrett takes Dr. Fremont (Joanne Linville) to court.
Part one of two. McGarrett tries to put a halt to his sister's use of alternative therapy, but she begins a court action to prevent him from closing her practice
A policeman embarks on a personal vendetta when his boxer son is killed, leaving McGarrett to solve the crime and prevent the officer committing another murder. Seventies crime drama, starring Jack Lord
The heirs to a family firm come under suspicion of murder when McGarrett discovers the company's staff are being targeted by killers. Seventies crime drama, starring Jack Lord
McGarrett draws on his psychological powers when he becomes embroiled in a prison hostage drama and has to give himself over to the criminals. Seventies crime drama, starring Jack Lord
McGarrett discovers that a man who was found dead after being robbed by an armed motorcyclist was suffering from bubonic plague. Seventies crime drama, starring Jack Lord
Danno poses as a surfer to investigate a drugs ring, and unsuccessfully tries to save young Eddie Hastings from jumping off a cliff - an incident he believes may be drug-related
A Marine veteran suffering a psychotic breakdown holds Danno prisoner in a hospital ward. Seventies crime drama, starring Jack Lord
A female student is found murdered on campus, with suspicions falling on her boyfriend, but McGarrett is convinced that something is not right
McGarrett must protect a mob underboss to ensure he testifies against his superior. However, his boss has plans to silence his former colleague permanently
An Army corporal is accused of a crime after a winning ticket in a numbers game turns out to be a loser; guest James McEachin.
A singer (Tommy Sands) turns to cat burglary when his musical efforts fail to satisfy his mounting gambling debts.
When a girl dies during a high-speed chase, McGarrett's investigation leads him to a Los Angeles prison, where he has to pretend to be a convict in order to prevent a break-out
When a woman is followed home and murdered, McGarrett and the team spring into action, but find their energies divided between pinning down the murderer and preventing a group of smugglers from completing their operation
Danno is accused of shooting an unarmed boy, while McGarrett's investigation brings him face to face with an unpleasant drug dealer
McGarrett and the team protect a gangster from Japanese assassins while also trying to convict him of his underworld activities
A young singer organises his own kidnapping, but his plans go awry when his father offers a too-tempting reward for his release. Seventies crime drama, starring Jack Lord
The team investigate the killing of a public official who was involved in changing the face of the island. Seventies crime drama, starring Jack Lord
The Hawaiian governor assigns McGarrett to break a ring of con artists swindling visiting rich widows; guest Kevin McCarthy.
McGarrett's brother-in-law asks for help when his vulnerable wife takes a charlatan's dodgy advice
Part two of two. McGarrett's investigation into his friend's death leads him to a foreign ship and a strange clue
McGarrett investigates the death of a friend when it becomes apparent that the man did not drown as was commonly believed.