1968

S10.E1 ∙ Up the Rebels

Wed, Sep 14, 1977

A member of a Northern Irish splinter terrorist group disguises himself as a priest in order to buy weapons and bombs in Hawaii. He meets a gullible Catholic United Ireland supporter and uses her as a pawn to finance his buys and witness his murder of the supplier, all the while muttering platitudes in her ear to conceal the fact that his group has been disavowed by the IRA and is dedicated to causing as much mayhem in Northern Ireland as possible -- such as blowing up a school bus full of children.

7.5 /10

S10.E2 ∙ You Don't See Many Pirates These Days

Wed, Sep 21, 1977

When the first mate of a cargo ship abruptly hijacks his own vessel, leading to the murder of a crew member and several woundings, McGarrett begins to suspect the oily shipping-company boss of possibly ordering the hijacking and apparent subsequent scuttling of the ship to keep its real cargo -- intercontinental ballistic missiles he is selling to the highest bidder -- secret.

6.6 /10

S10.E3 ∙ The Cop on the Cover

Wed, Sep 28, 1977

Over McGarrett's strong objections, the Governor orders him to allow Terri O'Brien, a reporter for a popular new weekly magazine, to shadow him and the other members of Five-O for a story about their organization. As O'Brien follows the developments of the kidnapping of a scientist's two children, she becomes convinced that McGarrett has rushed to judge the culpability of a bus driver accused of the crime. Even as she argues with McGarrett about his decisions in the case, O'Brien begins to investigate the case on her own.

6.9 /10

S10.E4 ∙ The Friends of Joey Kalima

Wed, Oct 12, 1977

A music-loving rookie cop frequents a record store next to a bank. What he doesn't know is that the music-store owner and three henchmen are tunneling into the bank through a shared basement. After one of the thugs is killed in a cave-in, the remaining thieves "invite" the cop to a party where an old friend is busy making book via telephone, and then call HPD to bust the cop on departmental corruption charges to get him out of the way. McGarrett goes to bat for the cop against a relentless Internal Affairs captain, and is clued in to the bank heist after one of the thugs kills a potential informant.

7.5 /10

S10.E5 ∙ The Descent of the Torches

Wed, Oct 19, 1977

McGarrett and company are called in when an archaeological dig on The Big Island reveals secret tunnels headed underneath the ocean, which could lead to the grave of King Kamehameha I. Or at least somebody believes so, donning a royal robe and mask to frighten off -- and later kill -- two members of the archaeological dig.

6.3 /10

S10.E6 ∙ The Ninth Step

Wed, Oct 26, 1977

An ex-cop who's a recovering alcoholic returns to Hawaii after a long stint on the mainland in order to make amends to McGarrett (the "ninth step" of Alcoholics Anonymous) -- he was drunk on duty and failed to stop an armored-car heist which led to the theft of a fortune and the death of the car's driver. But McGarrett discovers that the cop's drink was drugged in advance by the thieves and their accomplice (the ex-cop's ex-girlfriend) -- and they are planning still another heist to replace the money, lost in a car explosion at the beginning of the show. When the disgraced cop launches an investigation of his own, he puts his life in grave danger.

6.7 /10

S10.E7 ∙ Shake Hands with the Man on the Moon

Wed, Nov 09, 1977

A crusading journalist is murdered, and McGarrett suspects that the killing was ordered by Frank Devlin, a sleazy real estate developer from the mainland, who was the target of a series of articles by the journalist. McGarrett focuses his attention on Richard Royce, a down-on-his-luck former astronaut who has gone to work for Devlin to help generate interest in Devlin's new Hawaiian subdivision. Royce gradually comes to suspect that Devlin might just have been capable of murder -- especially when another person whose land Devlin wants also ends up dead.

6.8 /10

S10.E8 ∙ Deadly Doubles

Wed, Nov 16, 1977

When a Soviet tennis team visits Hawaii, a young female star decides to defect in order to be with her American boyfriend. What she doesn't know is that just before she made a break for it, one of her teammates brained a KGB man with a wrench over a diamond-smuggling operation, and now both she and her boyfriend are patsies in the murder and face far sterner justice than Hawaii can offer if they are captured.

6.4 /10

S10.E9 ∙ Deep Cover

Wed, Dec 07, 1977

A Soviet spy ring, led by a murderous femme fatale posing as a nurse to get sodium pentathol for truth serum, kidnaps an engineer on a nuclear sub and replaces him with a lookalike (Dale Robinette plays both roles), who is assigned to learn all he can about the sub and pass it on to the real engineer, who will then be taken to Moscow and grilled by the KGB.

7.3 /10

S10.E10 ∙ Tsunami

Wed, Dec 21, 1977

Some kids steal an ambulance, one of the attendants tries to stop them but is struck. One of the kids wants to go back and help the man but they keep on going. When they reach their destination the one who wanted to go back is upset, saying that no one was suppose to get hurt. That's when he walks off and a couple of them follow him. He goes to the Iolani Palace and one of them tries to talk him out what he is thinking but his mind is made that's when he is shot. Steve is upset. Later they put their plan in motion, wherein two of them go to a weather monitoring station and make the one there announce a Tsunami is coming. And that's when the island is in an uproar. That's when the rest rob a jewelry store. Steve upon learning the whole thing's a hoax and help but wonder if it and the dead young man are connected.

7.2 /10

S10.E11 ∙ East Wind - Ill Wind

Wed, Dec 28, 1977

The death-by-drowning of an author and human-rights advocate with proof of his government's abuses leads to a search for the murderous head of his country's secret police.

6.7 /10

S10.E12 ∙ Tread the King's Shadow

Wed, Jan 04, 1978

Urged on by a powerful businessman, the Governor pressures McGarrett to launch a kidnapping investigation when the magnate's daughter disappears. She is in the company of her boyfriend, a native "Kanaka", who is also the father of her unborn child. Both the businessman father and McGarrett learn that the couple is hiding out on the Island of Kona. A showdown between the two men is inevitable.

6.1 /10

S10.E13 ∙ The Big Aloha

Wed, Jan 11, 1978

A respected physician on a remote island is found dead, and an autopsy reveals he was blown away with a shotgun while night swimming. The only suspect is a young-Turk doctor at a local clinic, who was convinced the old doctor had botched operations and killed people. But when other people's stories turn up inconsistent, McGarrett realizes the old man was covering for a series of shady financial transactions and was killed -- by someone else -- because he knew too much and was blackmailing somebody to hang onto his job. The killer is not revealed until late in the show; a good fistfight in a horse barn caps this episode.

6.5 /10

S10.E14 ∙ A Short Walk on the Longshore

Wed, Feb 01, 1978

A candidate to head a longshoreman's union is murdered in broad daylight, yet there are few clues about the crime. The dead man's opponent, who has political connections to the Governor, is pressing for McGarett's office to move quickly on the investigation. With few leads, McGarrett decides to locate the girlfriend of the murdered candidate, whom he believes has vital information about the crime, by impersonating a longshoreman himself - without telling Danny Williams, Chin Ho, or the other members of the Five-O unit.

5.2 /10

S10.E15 ∙ The Silk Trap

Wed, Feb 08, 1978

John Richard Carr, a rising member of the House of Representatives, is visiting Hawaii to judge a beauty pageant. He has a tryst with one of the contestants, who drugs him so that Carr can be filmed in her company, in order to blackmail Carr into ending his bribery investigation of a prominent Malaysian. But the woman who helps the blackmailer drug Congressman Carr is herself murdered by the blackmailer's henchmen - so that Congressman Carr is not just implicated in an infidelity scandal, but becomes a murder suspect.

6.8 /10

S10.E16 ∙ Head to Head

Wed, Feb 15, 1978

An undercover cop from McGarrett's office is murdered during a drug buy. Five-0 quickly learns the identity of the killer; they prepare to arrest him. But an FBI agent intervenes, he tells McGarrett to stand down. The shooter is in the protected witness program, and the Justice Department is using the man to go after an organized crime ring. McGarrett objects, but he is forced to work with the FBI agent. The Syndicate sends a hit man to go after the protected witness, and anyone else who gets in the way.

7.5 /10

S10.E17 ∙ Tall on the Wave

Wed, Mar 01, 1978

Danny Williams is judging a surfing competition, but he soon finds himself investigating the death of a girl on the beach. The most likely suspect is a young surfer who aspires to be a police officer, and he is a friend of Danno.

6.1 /10

S10.E18 ∙ Angel in Blue

Wed, Mar 08, 1978

When a notorious smuggling-gang member known as "Surfer" uses his .357 Magnum to render still another enemy unrecognizable, McGarrett tries to infiltrate the gang with a Maui policewoman who has no experience in undercover work.

6.5 /10

S10.E19 ∙ When Does a War End?

Wed, Mar 15, 1978

The answer to the title question is never for a fanatic who recently lost his best friend, a man determined to track down the commander of a brutal Philippine prison camp in World War II. The former commander is now a well-respected Hawaiian manufacturer, so the young punk -- with surprising help from an unexpected source -- begins setting off WWII ordinance explosives at the manufacturer's plants, killing one and injuring several. McGarrett must find the bomber before he exacts elaborate eye-for-eye "justice" with a bayonet.

5.8 /10

S10.E20 ∙ Invitation to Murder

Wed, Mar 22, 1978

Someone is playing a deadly game of 10 Little Indians with the heirs to a wealthy, now-dead artist, who left his fortune to anyone who could survive him by one year. Not only was the artist murdered by a lethal overdose in a medication he took, the heirs one by one are falling victim to booby traps set in their most prized possessions.

7.3 /10

S10.E21 ∙ Frozen Assets

Wed, Mar 29, 1978

A mystery writer goes to investigate a cryogenics foundation which purports to freeze dead people and revive them when a cure can be found for their diseases. But the writer soon figures out that the frozen victims never really wake up (a "Revival" is staged by an employee), and the foundation is actually getting them to sign over their assets, and killing them.

7.2 /10

S10.E22 ∙ My Friend, the Enemy

Wed, Apr 12, 1978

An uncooperative news-woman predicts the abduction of a princess, and McGarrett's search ensues.

7.1 /10

S10.E23 ∙ A Stranger in His Grave

Wed, Apr 26, 1978

A dead body is found in a sugarcane field, which turns out to be that of Frank Kealoha, owner of a large nearby ranch. When informed of her husband's death, Kealoha's widow asserts that she knew he was dead - she had buried him several months before. As the title suggests, however, there is a stranger's body in Kealoha's grave, leading McGarrett and Five-O onto the trail of a missing federal agent, and into an investigation of money laundering and murder.

7.3 /10

S10.E24 ∙ A Death in the Family

Wed, May 03, 1978

Chin goes undercover to investigate a protection racket. But when he's recognized, the leader kills him and dumps his body at the Iolani Palace. Steve sets out to get the one who killed him. He brings in the head of the organization behind the protection racket and asks for his help. He refuses. Chin's daughter arrives and Steve tells her what happened. It turns out that she knows the daughter of the head of the organization and uses her relationship with her to see if she can find out who killed her father.

7.7 /10