Hawaii Five-O (Classic)

McGarrett finds himself in Hong Kong, half-drowned, half-drugged, with amnesia, as he once again pursues his perennial antagonist, Wo Fat, now the key figure in the theft of some deadly nerve gas.

Operating with daring, and virtually under the nose of Five-O Chief Steve McGarrett, Hawaiian history museum curator Arthur Lambert secretly plots to turn criminal and stage the biggest bank robbery in Island history.

Honolulu prostitutes are being murdered, and those who have not been are living in terror.

Five bodies are found in the crater of the Mauna Loa volcano, and the mystery becomes even more startling to Five-O boss Steve McGarrett when he discovers who the men were and what caused their deaths.

The search for an international professional assassin, whose name, description and next intended victim are all unknown to Five-O, provides Steve McGarrett and his staff with a frustrating mission.

Hunter R. Hickey, a Rembrandt among forgers, brazenly victimizes none other than Steve McGarrett's own Five-O unit to the tune of more than $14,000.

Tragedy strikes the annual Trans-Pac race from California to Hawaii, bringing Steve McGarrett and his Five-O agents onto the sporty yachting scene in search of a trio of mutineer-murderers.

A man who was wrongfully convicted of murdering his wealthy wife escapes from prison to try to prove his innocence.

Vincent Kauoli, a former underworld figure believed to have died in a plane crash, "returns from the grave" to try to regain control of the crime syndicate he lost when he had to stage his "death" to elude a conviction.

The daughter of an organized crime leader betrays her father by stealing ten million dollars from him.

A paraplegic as the result of a police bullet, Nathan ""Sarge"" Purdy, a vengeful ex-con, turns sniper and begins shooting down police officers.

Impressionist Rich Little depicts the self-appointed avenger of a girl who, after kicking her drug habit, is turned on to it again by a pusher and, consequently, dies from an overdose.

McGarrett is set up to be the prime suspect in the murder of his girlfriend, and the evidence against him is rock-solid, even to the extent that the slugs that killed the victim are proven to have been fired from the same service revolver McGarrett uses.

Working with a Tokyo police officer, Five-O's Steve McGarrett tries to locate the source of a gun smuggling ring which is sending handguns to Japan.

Steve McGarrett searches for both a maniacal rapist-murderer and the district attorney's daughter who is lost in the mountains of Oahu, fearful in the meantime that they will encounter one another.

A police officer is killed by a hit-and-run driver who turns out to be the head of the Honolulu gambling syndicate. The only witness to the crime, a compulsive gambler with heavy debts, decides to use his knowledge of the accident to extort money from the driver.

Barnard Hughes guest stars as a 71-year-old walking bomb who is threatening to blow himself up along with a group of hostages if his demands to stop the demolition of his home are not met.

While vacationing in Hawaii, a popular female country singer is kidnapped for $500,000 ransom, and as McGarrett's Five-O force begins investigating, it appears that the victim and her abductors have perished at sea.

A mainland gangster, Victor Jovanko, launches a campaign of terror against the owner of a football team in order to intimidate the unwilling man into selling him the ball club so that it can be used as a laundering operation for mainland syndicate money.

McGarrett grapples with the mystery of a sunken Soviet submarine.

Why have the bodies of a young man, painted bright orange, and a young woman been dumped into the sea? Five-O Chief Steve McGarrett has no knowledge, yet, of that incident, but his search for a missing rodeo cowboy is related.

The runaway teenager daughter of legendary Los Angeles police detective Babe Mandell is framed for murder, then frantically "vanishes" into a religious cult to escape pursuers.

A hang-glider's theft of a historical exhibit catches the attention of crooks planning a heist of Army rifles.