Hawaii Five-O

Red Chinese agent Wo Fat uses a sensory deprivation chamber to procure information from U.S. agents. Steve McGarrett, head of Hawaii Five-O, investigates the death of a close friend who appears to have drowned. Steves knowledge about his friend and a mysterious white substance lead him into a high-level intelligence matter involving a foreign agent. McGarrett, head of Hawaiis state police force, poses as "control," possessor of the names of other agents. He allows himself to be captured and placed in the chamber; will he be able to withstand the torture?

Victor Reese and his wife Nora are conning rich widows out of their savings, and then poisoning them and dumping them in the ocean. McGarrett and company hatch a plan to use a female officer to trap the duo.

A young singer, Bobby George, plans his own kidnapping as a stunt, but when his father offers $500,000 for his release, his co-conspirators decide to double-cross him and take the money.

Danny Williams is accused of shooting an apparently unarmed young boy. Meanwhile, in his investigation, McGarrett comes up against Big Chicken, a nasty dope dealer.

After a girl dies during a high speed chase, a trail of clues leads McGarrett to a Los Angeles prison, where he must act the part of convict Steve Crowley to gain the trust of his cellmate for a break-out, which will help reveal the plans of the crime.

A winning lottery ticket drags an army private into a the murky world of mob politics and vice.

McGarrett must protect a protect a mob underboss so he is able to testify against his superior, Joe Matsukino. However, Matsukino has many tricks up his sleeve to silence his former colleague permanently…

Danno is taken hostage by a Vietnam veteran who is suffering delusional flashbacks and sees everyone as forces sent to kill him.

A man is found dead after having been robbed by a motorcyclist with a gun, and McGarrett is shocked to discover that the man was suffering from bubonic plague. The islands are quarantined, and the team must follow a series of clues to discover the cause of the outbreak.

When a girl is found murdered and numbered one, McGarrett suspects a serial killer. However the killer seems to be very selective in targeting members of a particular company, and suspicion soon falls on two brothers who stand to inherit the firm from their aged aunt.

When the son of McGarretts sister falls ill with cancer and she becomes involved in ‘naturology, her husband calls in Steve to investigate and persuade her to stop paying for the useless treatments. However, the quack doctor sets up a court case to prevent McGarrett from closing her practice.

When a leader of a student peace movement is killed, McGarrett has to investigate the murder against a wall of silence and a distrust of the police by the activists.

Sam Kalakua, a distant cousin of Kono, is being frightened into an early grave by an fake apparition of a Hawaiian god created by his nephew, who wants to sell the estate to a land merchant.

A Japanese World War II veteran, Yoshio Nagata, escapes from a mental hospital and tries to carry out his wartime orders to blow up a refinery.

A middle-aged mainland hardware salesman uses a prostitute, and then witnesses her murder by a mobster. He refuses to testify because of the damage to his reputation and that he doesnt want to be involved. McGarrett must persuade him to do the right thing.

A university professor, Dr. Paul Farrar, is using hypnosis to programme students into becoming assassins. McGarrett uses a policewoman as bait for Dr. Farrar, but the plan goes wrong and her life is put in danger.

Four university students hatch a plot to steal the robes of King Kamehameha, and McGarrett and the team must apply pressure to the gangs weak point to retrieve the robes and catch the thieves.

An assassination attempt on a prominent politician, Charles Irwin, leads Five-O to Mike Finney, a former racketeer who has been clean for nine years. However, Finney insists he is innocent, and the trail of clues leads right back to Irwin.

When a young son of a businessman escapes from captivity by ‘The Devil and ‘Mr. Frog, Five-O must recover the $300,000 ransom money that the desperate father paid.

A career criminal, Connors, fools McGarrett and the team into protecting the wrong bank, and robs a nearby one, taking the wife of the manager hostage. Things turn ugly when one of his goons assaults and murders her. McGarrett must race to capture Connors before he can do any more damage.

Don Miles, a health freak, uses a hanging-type exercise to promote his wellbeing, but his girlfriend Wanda tries it, and seemingly dies in the attempt. However, all is not what it seems…

A psychiatric worker, George Loomis, is trying to drive a fellow Vietnam veteran Ted Frazer crazy in order to cover up the fact that he massacred his own platoon during an action. Loomis kidnaps boys and drugs Frazer to make it look like Frazer is mad and to blame for the tragedy. McGarrett and the team must unravel this web of lies and clear Frazer.

Chin Ho is accused of bribery, and cannot provide alibis for the nights in question. Worse, he is called to the middle of nowhere for a set-up. Chins position is threatened, and the Governor orders an inquiry. McGarrett and the others must work out how Chin was framed and clear him of the accusations.

A research scientist, Dr. Royce, is set up by revolutionaries to be transported away from the islands in a submarine. McGarrett must stop this from happening and also has to contend with the interference of federal agents in the case.

Dr. Klines deadly toxin is lost, he is having second thoughts about his plan, and McGarrett has to find the vial before it disintegrates and poisons the whole island. Already the toxin is doing its deadly work as innocent people come into contact with it.

Five-O must act swiftly when the daughter of a top neurosurgeon is kidnapped by Wo Fat in order to make the surgeon operate on a wounded U.S. undercover agent who is carrying secret inforrmation of use to the Chinese.

Dr. Lemira, an opposition leader for Greece, is living in exile in Hawaii, but Klaus Marberg is sent to assassinate him. His plan is to get himself shot and work his way into Dr. Lemiras confidence so he can kill him easily. McGarrett must work out this plot and save the day before it is too late.

Shortly after giving a recital, the violin of a visiting Russian virtuoso is stolen, and McGarrett must retrieve it before the theft turns into an international incident.

When a ruthless businessman is blown up in a boat explosion, Five-O has many suspects to choose from, and they use psychological methods to determine the guilty party.

The hitman sent to kill the witness to a two year old murder instead falls in love with her and McGarrett and the team must lead the search to find her before duty overtakes love.

McGarrett and company must pit their wits against a veteran thief and robber who leaves Monopoly money at the scene of his crimes.

McGarrett must apprehend two abductors who are on the run with the proceeds of their crime in order to protect the lives of their co-conspirators.

A cowboy fears the loss of his land to a crooked estate agent and accidentally kills him by hitting him. McGarrett and his team must track the cowboy into the mountains and persuade him to give himself up.

Five-O investigates the death of Vietnam hero Jack Rigney, who fell from a balcony. His father is a World War II veteran, but his brother Michael is a peacenik, and Danno goes undercover as a draft dodger to help solve the mystery of Jacks death.

Five-O must deal with treason, murder and double-crosses in order to solve the case and prevent the U.S. from being flooded by fake currency.

The wife of a convicted man fakes evidence in a new crime so that McGarrett will have to re-open her husbands case.

A baseball player, Lon Phillips, brings his backward son to Hawaii to escape threats on his life on the mainland.

A ten year old case is reopened when an archaeological dig unearths the skeletons of two murder victims.

Vic Tanaka is murdering women and painting their faces to resemble a prostitute he once knew, who is now happily married. McGarrett and his team must find the killer before he does any more damage.

A hippie robs an embezzler of the key to a locker containing $250,000. Meanwhile, Danno is trying to contact the daughter of his Berkeley University landlady, who happens to be the hippies girlfriend…

While investigating the death of a security agent at an airport, McGarrett comes into contact with a gang who hijack cargo.

McGarrett finds holes in a convicts story and a husband becomes a suspect in the murder of his wife.

McGarrett must deal with the conflicts between four gangs of differing ethnic background, and try to uncover illegal activities.

McGarrett and the team must find out who is behind a series of ecological stunts, when it is feared that a company executive will be their next target.

A woman attempts suicide in order to get her boyfriend to come out into the open and expose himself to an assassination attempt.

Several faces from the past reappear as McGarrett must stop Wo Fat from carrying out his plan, a ninety second attack on a missile tracking base.

An eccentric billionaire is accused of murdering a business associate, but will not leave his boat to defend himself against the accusations, allowing his associates to declare him mentally incompetent.

McGarrett sets up a cordon of police around a young woman to capture her boyfriend who has escaped from jail, but all is not as it seems…

Danno goes undercover onboard a Navy ship to try and uncover how sailors are smuggling heroin onto the islands.

A local thug, Piro Manoa, is trying to create the impression of corruption in the Five-O force, and Duke is implicated in a murder. McGarrett and the team, with new recruit Ben Kokua, must save Dukes position and work out the plot of the organisation behind the false accusations.

A private investigator, Sam Tolliver, arrives from Texas to help an old friend who is being blackmailed and is at risk of being killed if he doesnt pay up, but he ends up wanting to become part of the blackmail operation.

Wo Fat is suspected of being behind the theft of a mobile ICBM device, and McGarrett with other top officials must stop him selling it off to the highest bidder.

A doctor tracking venereal disease is murdered, and Five-O must track the series of encounters to find out who is a carrier. Their investigation is made doubly important by the murder of a young woman who is close to a upcoming politician. He seems a likely suspect but McGarrett suspects a deeper plot.

McGarrett becomes involved with the Vashon mafioso family after the youngest member, Chris, is implicated in a daring raid on a hotel.

Dominick Vashon, the patriarch of the clan, makes his attempt to bring down McGarrett and Five-O.

A husband and wife team of scam merchants get caught between some of Hawaiis most powerful mobs.

McGarrett agrees to let Toni, a tough female convict, get married and have a honeymoon in protective custody as long as she will testify against a local hood.

Five-O has a suspect for a murder, but they have one problem. How can the suspect have been in two places at the same time?

McGarrett and company must break through a tissue of lies in order to protect a Russian defector from being killed.

A travel agent who operates gambling trips is killed in order to send a warning to others that the syndicates will not tolerate competition.

A burglary at the home of a well known island family sets off a series of events that ends in murder.

A amputee with no hands sets out to kill every police officer who contributed to his injury, and that includes Steve McGarrett.

When a large amount of diseased rats are found on a boat with all the crew dead, Five-O must contend with an outbreak of bubonic plague.

Buildings are being set on fire on Sundays, and a known firebug is the top suspect. However, McGarrett begins to think that others may be responsible.

The killing of an important pimp threatens an all out war between two competing vice empires.

A glamorous woman sets up an opal smuggler so her accomplices can rob both the smuggler and a jewellery store at the same time.

McGarrett brings in a document expert to help him crack a case involving forged government securities, but he soon becomes suspicious of the expert as well…

Harry Foxton, a gambler, is himself the subject of huge bets over what hour he will die. McGarrett must work out the gamblers complex relationships to get to the bottom of this case.

A mock military emergency leaves a bank open for a robbery, and Five-O must travel to the opposite side of Oahu to find out more in their investigation.

A pair of crooks team up with local criminals and use phony diamonds as bait to prey on wealthy male tourists. McGarrett and Five-O must shut off this sinister racket.

The son of a Federal Narcotics officer becomes involved in a heroin refining operation.

A series of rapes and murders occur, and the main suspect seems to be a police officer...

While investigating a robbery and kidnapping, the trail of clues leads McGarrett and the team to an ocean liner with a deadly passenger.

Danno and a college professor are kidnapped by a revolutionary group of young radicals led by a hardened criminal.

Eddie Josephs is a paranoid schizophrenic who is carrying out murders based on old Five-O cases. McGarrett must follow his clues and catch him before more people die.

Senator Harlan Henderson suffers from multiple personalities, and one side of him wants to kill himself. However, he ends up blowing up his secretary, and McGarrett uses handwriting and a diagnosis from a psychiatrist to try to crack the case.

When his son is beaten to death, a powerful cattle baron takes matters into his own hands, and McGarrett and Five-O must prevent the rule of law from breaking down.

Five-O must investigate why three infallible security systems are failing to prevent the theft of priceless artworks.

Two conmen use a gang of Five-O lookalikes and doubles to extort money from Honolulu businessmen.

McGarrett and Five-O need to find out why a Japanese banker ritually killed himself and catch a true criminal into the bargain.

An investigation into a murder is sent off track through the modification of computer information, and Five-O must use the latest technology to rescue the case.

When a young boy is arrested as a witness to a murder, McGarrett must contend with a fiery deputy public prosecutor.

When a psychotic man kills his doctor, Five-O must use a unfinished painting to gather clues to his whereabouts.

McGarrett must prevent a mob war by tracking down an unknown hitman and his intended target.

A Saturday Night Special passes from person to person and causes Five-O trouble and others misery.

When a letter bomb kills a Naval Officer whilst McGarrett is on Navy Duty, he is called upon to investigate and uncovers a plot involving an old nemesis...

McGarrett must again face mobster Charlie Bombay when a plane carrying them to Honolulu crashes in the forests.

Five-O must find a female courier who witnessed a murder before a hitman can...

McGarrett offers himself as a hostage exchange, but is then put on trial by Honore Vashon.

When a singer witnesses a murder committed by a racketeer, Five-O has to protect her until she can give evidence, but this is not an easy job...

A vice-principal enlists the help of his students and a submarine to smuggle drugs.

A writer who specialises in solving mysteries uncovers the body in a seven year old case, but it raises more questions than it answers...

Whilst trying to stop the smuggling of small Oriental animal statues, McGarrett is caught illegally in possession of one of them as part of his personal collection.

When an elderly importer who was a World War II Japanese spy is killed, Five-O seeks his killer.

A crooked contractor and a buildings inspector are under suspicion after the new Global Trade Center in Honolulu goes up in flames.

Criminals threaten to use a special type of moth to wipe out the sugar cane on Hawaii and destroy the industry.

Ben Tanaka, a well-known ecologist, seems to be behind the kidnapping of a wealthy land developers wife, but all is not as it seems and a conspiracy gradually reveals itself.

When Wo Fat steals toxins in an attempt to take out the leaders of Communist China, McGarrett must track him to Hong Kong.

McGarrett must solve a daring bank robbery committed during the King Kamehameha Day Parade under the cover of a historic re-enactment.

Five bodies are found in the crater of Mauna Loa contaminated by radiation from illegal plutonium, and Five-O must find and confiscate this deadly toxin.

A masterful forger plans a massive robbery of Navy funds, and McGarrett is made to look rather inept...

A escaped convict may well have a strong case of innocence, when Five-O become involved in the paranormal...

When $10 million goes missing from a crimelord, the culprit seems to be dangerously close to home...

The boyfriend of an overdose victim re-enacts famous film murders in a revenge on all the people he sees as responsible.

Five-O must work with a Japanese officer to find the source of handsguns that are flooding the black market in Tokyo.

A hit and run incident leads Five-O to a gambling syndicate and Officer Welless brother.

A lady singer is kidnapped and it looks as if she and her captors have died at sea.

While searching for parts from a sunken Soviet submarine, McGarrett become suspicious about the particular parts that are being recovered.

The daughter of a LA detective and friend of McGarrett is framed for murder and then joins a cult.

An Irish terrorist uses disguise and deception in order to be able to smuggle explosives for the Troubles.

McGarrett must solve both a mysterious kidnapping and the problem of having a nosy reporter analysing his every move.

Five-O must find out whether the death of an archaeologist is linked to his supposed desecration of tomb of King Kamehameha.

McGarrett must deal with an astronaut turned real-estate salesman in order to crack the case of a murdered reporter.

A secret submarine, the murder of a Navy officer and strange amnesia create a puzzling case for Steve McGarrett.

When an Asian ex-leader dies in a seemingly accidental swimming incident, his wife is convinced that he was murdered by forces from their home country.

A young doctor is suspected of having been involved in the murder of his mentor.

An up-and-coming young politician is blackmailed in order to affect his leadership of an congressional investigation.

Danno must deal with a surfer, one of his friends, who is suspected of the murder of a girl.

A Japanese businessman comes under attack from a young man whose father suffered in an Japanese Prisoner of War camp.

A cryogenics institute comes under suspicion when an investigative writer becomes involved.

Five-O become involved in a complex case of body-switching, mystery investments and suitcases full of money.

After a government agent is murdered, McGarrett must identify the traitor in a scientific facility.

An assassin who doesnt know hes an assassin? Sounds like a punch line from "The Naked Gun," but its the story of this episode, where a diplomatic courier with a briefcase chained to his wrist is hypnotized and programmed to rig the case with a bomb. When Danno goes undercover to ferret out the assassination ring, he himself is brainwashed and programmed to kill McGarrett.

Steve is framed on the orders of a gambling syndicate, and becomes involved with a woman who is part of the case.

When a street robber claims that he stole King Tutankhamuns mask for fun, McGarrett suspects there is more to the case than simple robbery.

Danno is surprised when he bumps into a former flame and even more concerned when she seems to be involved in criminal activities.

When a preacher is attacked by a man convinced that he is responsible for his wifes death, Five-O investigate more closely and discover some less than godly motives.

The rival gangs are on the brink of all out war, and Five-O must struggle to stop them.

Millicent Shand returns and claims that her nieces husband has faked his own death in order to get his hands on $500,000.

When a photographer takes a picture of a politician making a deal with an underworld figure, he tries blackmail. However, he is not prepared for the ruthless nature of the mobsters.

When the son of one of Steves friends dies of an overdose, he goes after a doctor that he suspects of over-prescribing drugs.

When a woman dies due to heroin packets bursting inside her and the Governor is implicated, McGarrett and Danno head off to Singapore to discover a smuggling operation.

Labouring under a ban on cooperation by native Hawaiians because of a Kahuna, McGarrett must try to prevent war on the streets...

A group of high society men set out to see that justice is done - the catch being that it is justice on their terms only...

Tony Alika and Guido Marioni, killer of Kimos family, together hatch a plot to frame and embarrass the Five-O team by making them look stupid or corrupt.

When two surfer bums use a gun to rob a shop, it starts off a trail of death and misery involving children, politics and blackmail.

A young man on vacation has strange visions that lead him to the site of an old murder and help him discover a lost family.

When a rich socialite is kidnapped, her husband insists that Five-O stay out of the case. However, his reasons may not all be on the level as events take a series of twists and turns...

A aging crook decides to use dollar bill printing plates he made to raise cash for a charity, but he fails to realise the trouble that this will cause.

A gang of clever students use radio-controlled planes to execute the theft of Queen Liliokalanis jewels.

A group of seemingly harmless birdwatchers are the target of a vendetta. Five-O must discover why they were a target and stop any further violence.

The series concludes with the final showdown between McGarrett and Wo Fat. Three scientists have gone missing. They have one thing in common: they all attended a symposium that discussed a possible space-based, laser defense system. McGarrett impersonates a fourth scientist, Dr. Elton Raintree, who attended the same gathering and is soon abducted. Wo Fat is behind it all and wants the scientists to complete their work and produce such a device.