Hawaii Five-O Episode Rating Graph

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

Murders are being committed seemingly at random every six weeks, and McGarrett is at a loss to understand the motives for these crimes. However, a newspaper may hold the answer.

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

A disturbed young man steals nerve gas to use against a visiting royal family as revenge for the death of his father.

When Five-O fail to prevent a series of thefts at dockside warehouses, an influential owner creates trouble for McGarrett.

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

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.

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.

McGarrett must try his utmost to foil Wo Fat's plans which include hostages and brainwashing.

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...

A string of five murders of wealthy men leads McGarrett to a crooked inheritance scheme.

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.

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

Danno is found in the back of a truck, dazed and confused, and McGarrett and the others must help him piece together how he came to be in that situation.

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.

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.

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

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

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 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 doesn't pay up, but he ends up wanting to become part of the blackmail operation.

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

Five-O's efforts to rescue a young boy from kidnappers go wrong when Kono is captured and beaten. An angry McGarrett must work out a way to rescue Kono without further endangering him.

The hunt for a high-rise killer is made more difficult for Five-O when a journalist offers to share his profits in exchange for the killer's story.

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

A private detective is rescuing girls from prostitution, and using the opportunity to kill the pimps as well.

A vacationing heiress seems unconcerned when McGarrett warns her that someone is after her ruby.

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

When a robbed bank vault shows no signs of break-in, an inside job seems the likely solution. McGarrett's trail of clues leads him back to the builder of the vault and his wife...

The death of a prominent politician reveals a strange love triangle.

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

McGarrett assists a convict in his escape, so that he can go back to his gang and provide Five-O with inside information.

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

McGarrett is the lone hold-out in a trial where the guilt of the accused seems certain.

An assassin who doesn't know he's an assassin? Sounds like a punch line from "The Naked Gun," but it's 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.

When an astrologer visits McGarrett to inform him of a murderer with a terrible temper, his antagonism lessens when her assumptions seem to be partly true.

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

McGarrett is the top suspect in the murder of his girlfriend, and the evidence against him is seemingly overwhelming...

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

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

When an airline stewardess and a hang-gliding instructor are murdered, Five-O must find the killers.

A clear cut murder case against an island mobster is derailed due to McGarrett.

Three boys commit a gang rape on a waitress, but one is the son of a Senator and the crime is covered up...

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

Danno's Aunt Clara becomes acquainted with a man on the plane to Honolulu, but becomes concerned about him afterwards. Dan, Steve and the others ignore her at first, but then the man turns up dead...

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

A road accident starts the trail towards a plot to use SAM missiles to bring down a VIP jet plane.

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

Wo Fat returns to Hawaii in order to have a Chinese diplomat whom he classes as a foolish peace-maker assassinated.

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

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

A criminal, Hobart, is robbing liquor stores using a policeman's former gun, but the officer wants it back as he used it to kill a bankrobber five years before and the body has been uncovered.

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

An aging jewel thief steals from rooms at Waikiki hotels, and taunts Five-O by leaving a trail of clues behind.

A nuclear scientist becomes involved in an extortion plot when a gang threaten to explode a small nuclear weapon somewhere in Honolulu.

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

Army computer technician Jack Gulley kidnaps a scientist and then uses a planned heist by three accomplices on a military base to divert Five-O's attention from his sale of the scientist to the highest bidder.

Five seemingly good citizens with different motives band together to steal $6,000,000 while McGarrett is away on Maui at a trial.

The son of the baseball player becomes the vital witness in a murder, but he is reluctant to tell either his father or Five-O of the crime.

Wo Fat and other top international agents converge on Hawaii to place bids on printing plates for twenty dollar bills, which are in the possession of a former friend of McGarrett.

When a convicted murderer, Harry Kellem, hears a dying man say he committed the crime that Kellem was jailed for, he takes a doctor hostage and McGarrett must negotiate his way out of the situation.

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 doesn't want to be involved. McGarrett must persuade him to do the right thing.

McGarrett is caught and cocooned, and must escape this torture and shut down Wo Fat's operation.

An army sergeant and a office worker have a scam in which they use bar girls to claim G.I. widow benefits, and then murder them to take the cash. McGarrett and company must use the girls to get to the core of the plot.

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

When the boxing son of a policeman, Phil Kalama, is killed, he starts a personal vendetta, and McGarrett must both solve the crime and stop Kalama from committing another murder.

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.

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

Two seemingly unconnected deaths lead McGarrett into a desperate race to prevent the assassination of a visiting Sheikh.

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.

Danno shoots an apparently armed teenager but finds that he was mistaken, and public opinion and the teen's brother turn against him. McGarrett must act to defuse the potentially explosive situation.

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.

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…

McGarrett must counter a threat by international terrorist Erich Stoss to use a fungus to wipe out Hawaii's sugar cane, half of the world's supply.

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 Duke's position and work out the plot of the organisation behind the false accusations.

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.

The daughter of Attorney General John Manicote is kidnapped by a deranged rapist and murderer, and Steve must not only contend with the criminal but Manicote's emotional state as well...

McGarrett meets his match in Dr. Grant Ormsbee, a grumpy and aggravating scientist who is sheltering a suspected Chinese defector.

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

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

Danno's past comes back to haunt him when the brother of a young boy he shot is released and wants revenge. The brother takes Chin Ho, Jenny and others hostage in McGarrett's office and threatens to blow them up, and Danno must resolve the tense situation.

A politician trying for the Senate is weakened by the murder of the man who is blackmailing him.

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.

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

The murder of a Nazi-hunter and discovery of a World War II medal set McGarrett and the team on the trail of a Nazi war criminal living in Honolulu...

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.

A group of terrorists capture a female officer and use her to further their aims, and McGarrett and the team must find a way to take them out without endangering the life of Officer Dean.

When two healthy young people die mysteriously, local traditions prevent post mortems, and a strange conspiracy is gradually uncovered when Truck seems to fall under the power of a Kahuna...

Lew Morgan and his wife are friends of Danno, but she is murdered, and Morgan sets out to find the culprit. However, his wife seems to be hiding secrets that may have caused her death.

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.

Dan Williams's fiancee is murdered by a strangler who writes poetry in lipstick on his victims' legs. Danno resolves to catch the culprit who has other murderous plans to carry out.

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.

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

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...

Jessica Humboldt, an astrologer and friend of Agnes DuBois, comes to McGarrett with news that a forthcoming match will be disastrous for a boxer. McGarrett must overcome his suspicions and crack the case.

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

When a woman is stalked by a strange figure, she seems to be seeing things and her friends are worried as to her mental health. However, events prove her case and an accomplice is revealed...

McGarrett and Kimo must stop a gang of trained assassins from disrupting a meeting of energy ministers.

The son of a Japanese businessman is kidnapped and held in a capsule underwater until a $1.5 million dollar ransom is paid...

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

Five-O must deal with the kidnapping of an Arab princess, and Steve must also deal with an Italian female journalist's constant interruptions.

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 gang of university students plan a hoax tidal wave in order to steal priceless jewelry.

McGarrett becomes involved in a love triangle between a young local man, a rich girl and her father who hates the Hawaiian origins of the boy.

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.

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. Chin's 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.

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...

When a sea-freighter is hijacked, the wealthy millionaire owner calls in Five-O, but all is not how it seems...

Peter Corman is murdered during a game of poker, and his brother Lorenzo arrives in Hawaii for revenge. McGarrett must work out what happened and prevent Lorenzo from carrying out his intentions.

Five-O search for the criminals who have set up Hawaiian singer and ecologist Jimmy Nuanu as the fall guy for a sewage plant bombing.

McGarrett is framed in an elaborate set up by Wo Fat, and has to contend with a foreign double amongst other problems.

A psychotic man named Ralston is killing the wives of members of his army unit, and Five-O, including Kono on his last case, must stop him before he commits any more crazed attacks.

A crazed electronics wizard threatens the lives of a psychiatrist and his patients by using electronic devices and gadgets.

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.

Two simple criminals kidnap a young girl, and hide out in a bunker at Diamond Head. McGarrett must unravel the reason why they are there and get the girl safely away from them.

Chin Ho must face the fact that his daughter, Alia, is in love with the son of a local criminal under investigation, and that she plans to get married to him.

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

A single person is holding out in a Five-O trial, and McGarrett and the team have to find out who is stalling and why they are doing it.

A right-wing crackpot, Cord McKenzie, metes out ‘justice' to people who have been found innocent on technicalities or released early. He thinks he is helping the police, but McGarrett thinks otherwise.

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

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

The return of a disgraced alcoholic policeman causes extra problems in the pursuit of a pair of armoured truck robbers.

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.

In order to find out the identity of the murderer of a union leader, McGarrett goes undercover as a longshoreman.

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

While pursuing a drug dealer, McGarrett also has to contend with a federal agent.

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

A female undercover cop threatens the progress of an investigation when she starts a relationship with a man connected to the case.

McGarrett must deal with an apparent mass murderer when a will creates a fortune for the last family member left alive.

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

Five-O's world is shattered when mobsters catch Chin Ho undercover and order him to be killed.

When the husband of a policewoman is gunned down by opportunist robbers, she resolves to catch them any way she can.

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

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

When a Russian tennis star wants to defect, McGarrett must work to prevent an international incident.

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

McGarrett gets a phone call from Singapore and goes to rescue Nicole Wylie, a witness who has changed her mind and wants to testify. However, the pair must face many dangers on their return trip back to Hawaii.

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

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

A British agent, Harry Wells, arrives in Hawaii in pursuit of a turncoat, but not all is what it seems for Five-O...

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

A missing rodeo cowboy and the murder of a young couple pose a puzzling mystery for Five-O.

McGarrett engages in a personal struggle to clear the record of an officer and close friend accused of criminal activity.

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 gets a surprise birthday party, but when he goes to pack the presents in his car, it explodes and blinds him. Danno, Chin Ho and Kono must work to catch those responsible, whilst McGarrett has to get used to not having his eyesight.

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.

The wife of an arms dealer is kidnapped by revolutionaries who want the guns diverted from their original destination, but the arms dealer himself is not as innocent as matters would indicate…

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.

McGarrett is suspicious of an aide who arrives in Hawaii to retrieve millions of dollars held in trust for a Southern Asian state and he must prevent a daring gold robbery.

Two young men play an increasingly dangerous and deadly game for the attentions of a beautiful but spoiled heiress, who plays them off against each other.

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

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

Two military policeman spot John Mala, a man who McGarrett has helped in the past, but who has gone AWOL. One of the policemen is shot, and tensions rise as Five-O and the army police clash in their techniques of investigation and their treatment of the local population.

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.

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

A gangster attempts to buy an interest in a football club so that he can launder money through it.