Hawaii Five-O

McGarrett investigates as tensions rise between Hawaiian nationalists and local mobsters vying for influence in a union election.

McGarrett faces a challenge when a Kahuna imposes a ban on native Hawaiian cooperation, complicating efforts to prevent escalating street violence.

A policewoman becomes determined to track down a group of robbers after they kill her husband during a random robbery.

A group of wealthy men take it upon themselves to enforce their own version of justice, operating outside the law to punish those they deem guilty.

Jessica Humboldt, an astrologer and associate of Agnes DuBois, approaches McGarrett with a warning that an upcoming boxing match will end in tragedy. McGarrett must set aside his doubts and investigate to uncover the truth behind her prediction.

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...

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 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.

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 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...

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...

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

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.

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.

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

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.