Episode 1
The Sleeper
1978-09-28 • 60 min
After a government agent is murdered, McGarrett must identify the traitor in a scientific facility.
TV season
1978-09-27
Episode 1
1978-09-28 • 60 min
After a government agent is murdered, McGarrett must identify the traitor in a scientific facility.
Episode 2
1978-10-05 • 60 min
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.
Episode 3
1978-10-12 • 60 min
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.
Episode 4
1978-10-19 • 60 min
McGarrett is the lone hold-out in a trial where the guilt of the accused seems certain.
Episode 5
1978-10-26 • 60 min
Steve is framed on the orders of a gambling syndicate, and becomes involved with a woman who is part of the case.
Episode 6
1978-11-09 • 60 min
Five-O must deal with the plans of a Neo Nazi organisation to kill Bobby Tamara, the ""Hawaiian Kennedy"".
Episode 7
1978-11-16 • 60 min
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.
Episode 8
1978-11-23 • 60 min
McGarrett assists a convict in his escape, so that he can go back to his gang and provide Five-O with inside information.
Episode 9
1978-11-30 • 60 min
Danno is surprised when he bumps into a former flame and even more concerned when she seems to be involved in criminal activities.
Episode 10
1978-12-14 • 60 min
The death of a prominent politician reveals a strange love triangle.
Episode 11
1978-12-21 • 60 min
When a preacher is attacked by a man convinced that he is responsible for his wife's death, Five-O investigate more closely and discover some less than godly motives.
Episode 12
1978-12-28 • 60 min
Two rival mobs attempt to take control of the disco scene in Honolulu.
Episode 13
1979-01-04 • 60 min
The rival gangs are on the brink of all out war, and Five-O must struggle to stop them.
Episode 14
1979-01-18 • 60 min
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...
Episode 15
1979-01-25 • 60 min
Millicent Shand returns and claims that her niece's husband has faked his own death in order to get his hands on $500,000.
Episode 16
1979-02-08 • 60 min
A vacationing heiress seems unconcerned when McGarrett warns her that someone is after her ruby.
Episode 17
1979-02-22 • 60 min
When a photographer takes a picture of a politician making a deal with an underworld figure, he tries blackmail. However, he is not prepared for the ruthless nature of the mobsters.
Episode 18
1979-03-01 • 60 min
A private detective is rescuing girls from prostitution, and using the opportunity to kill the pimps as well.
Episode 19
1979-03-15 • 60 min
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.
Episode 20
1979-03-22 • 60 min
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.
Episode 21
1979-04-05 • 60 min
When a woman dies due to heroin packets bursting inside her and the Governor is implicated, McGarrett and Danno head off to Singapore to discover a smuggling operation.
Episode 22
1979-04-05 • 60 min
Five-O must close the heroin smuggling operation to exonerate the Governor and catch the figures behind the scheme.