September 12, 1975
1h
When a letter bomb kills a Naval Officer whilst McGarrett is on Navy Duty, he is called upon to investigate and uncovers a plot involving an old nemesis...
September 12, 1975
1h
McGarrett must try his utmost to foil Wo Fat's plans which include hostages and brainwashing.
September 19, 1975
1h
McGarrett must again face mobster Charlie Bombay when a plane carrying them to Honolulu crashes in the forests.
September 26, 1975
1h
A British agent, Harry Wells, arrives in Hawaii in pursuit of a turncoat, but not all is what it seems for Five-O...
October 3, 1975
1h
Five-O must find a female courier who witnessed a murder before a hitman can...
October 10, 1975
1h
A road accident starts the trail towards a plot to use SAM missiles to bring down a VIP jet plane.
October 17, 1975
1h
McGarrett offers himself as a hostage exchange, but is then put on 'trial' by Honore Vashon.
October 24, 1975
1h
McGarrett meets his match in Dr. Grant Ormsbee, a grumpy and aggravating scientist who is sheltering a suspected Chinese defector.
October 31, 1975
1h
When a singer witnesses a murder committed by a racketeer, Five-O has to protect her until she can give evidence, but this is not an easy job...
November 7, 1975
1h
Danno's Aunt Clara becomes acquainted with a man on the plane to Honolulu, but becomes concerned about him afterwards. Dan, Steve and the others ignore her at first, but then the man turns up dead...
November 14, 1975
1h
A vice-principal enlists the help of his students and a submarine to smuggle drugs.
November 21, 1975
1h
When Five-O fail to prevent a series of thefts at dockside warehouses, an influential owner creates trouble for McGarrett.
November 28, 1975
1h
A writer who specialises in solving mysteries uncovers the body in a seven year old case, but it raises more questions than it answers...
December 4, 1975
1h
Three boys commit a gang rape on a waitress, but one is the son of a Senator and the crime is covered up...
December 11, 1975
1h
Whilst trying to stop the smuggling of small Oriental animal statues, McGarrett is caught illegally in possession of one of them as part of his personal collection.
December 18, 1975
1h
A disturbed young man steals nerve gas to use against a visiting royal family as revenge for the death of his father.
January 1, 1976
1h
When an elderly importer who was a World War II Japanese spy is killed, Five-O seeks his killer.
January 8, 1976
1h
A clear cut murder case against an island mobster is derailed due to McGarrett.
January 15, 1976
1h
A crooked contractor and a buildings inspector are under suspicion after the new Global Trade Center in Honolulu goes up in flames.
January 29, 1976
1h
When an airline stewardess and a hang-gliding instructor are murdered, Five-O must find the killers.
February 5, 1976
1h
Criminals threaten to use a special type of moth to wipe out the sugar cane on Hawaii and destroy the industry.
February 12, 1976
1h
The son of a Japanese businessman is kidnapped and held in a capsule underwater until a $1.5 million dollar ransom is paid...
February 26, 1976
1h
Ben Tanaka, a well-known ecologist, seems to be behind the kidnapping of a wealthy land developer's wife, but all is not as it seems and a conspiracy gradually reveals itself.
March 4, 1976
1h
McGarrett sends an undercover agent into a rehabilitation home for juvenile offenders to find out who is behind the theft of gold from dental supply warehouses.
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