An Irish terrorist uses disguise and deception in order to be able to smuggle explosives for the Troubles.
Full Episodes
When a sea freighter is hijacked, the wealthy millionaire owner calls in Five-O, but the situation is not what it seems.
McGarrett must solve both a mysterious kidnapping and the problem of having a nosy reporter analyzing his every move.
McGarrett engages in a personal struggle to clear the record of an officer and close friend accused of criminal activity.
Five-O must find out whether the death of an archaeologist is linked to his supposed desecration of the tomb of King Kamehameha.
The return of a disgraced alcoholic policeman causes extra problems in the pursuit of a pair of armored truck robbers.
McGarrett must deal with an astronaut turned real-estate salesman in order to crack the case of a murdered reporter.
When a Russian tennis star wants to defect, McGarrett must work to prevent an international incident.
A secret submarine, the murder of a Navy officer and strange amnesia create a puzzling case for Steve McGarrett.
A gang of university students plan a hoax tidal wave in order to steal priceless jewelery.
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.
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.