September 10, 1974 • 1h
Danno and a college professor are kidnapped by a revolutionary group of young radicals led by a hardened criminal.
September 17, 1974 • 1h
A geophysics expert, Bernard Brown, is heavily in debt, so he comes up with a plan to cause an explosion in the Hawaii Volcanoes N...Read more
September 24, 1974 • 1h
Eddie Josephs is a paranoid schizophrenic who is carrying out murders based on old Five-O cases. McGarrett must follow his clues a...Read more
October 1, 1974 • 1h
A sophisticated thief is selling his goods to legitimate businessmen, and Five-O must find a way of trapping him.
October 8, 1974 • 1h
Senator Harlan Henderson suffers from multiple personalities, and one side of him wants to kill himself. However, he ends up blowi...Read more
October 15, 1974 • 1h
A criminal, Hobart, is robbing liquor stores using a policeman's former gun, but the officer wants it back as he used it to kill a...Read more
October 22, 1974 • 1h
When his son is beaten to death, a powerful cattle baron takes matters into his own hands, and McGarrett and Five-O must prevent t...Read more
October 29, 1974 • 1h
A gangland execution investigation takes a turn for the peculiar when it is found that the victim had two identities.
November 12, 1974 • 1h
Five-O must investigate why three infallible security systems are failing to prevent the theft of priceless artworks.
November 26, 1974 • 1h
After an attempt is made on Steve McGarrett's life, he is drawn towards a female art dealer, but she too may not be good for his health…
December 3, 1974 • 1h
Two conmen use a gang of Five-O lookalikes and doubles to extort money from Honolulu businessmen.
December 10, 1974 • 1h
Wo Fat returns to Hawaii in order to have a Chinese diplomat whom he classes as a foolish peace-maker assassinated.
December 31, 1974 • 1h
McGarrett and Five-O need to find out why a Japanese banker ritually killed himself and catch a true criminal into the bargain.
January 7, 1975 • 1h
A Honolulu murder is mysteriously linked to a human fossil smuggled out of China in the Second World War.
January 14, 1975 • 1h
An investigation into a murder is sent off track through the modification of computer information, and Five-O must use the latest ...Read more
January 21, 1975 • 1h
Three women desperately in need of money take to armed robbery of tourist buses as a way to raise some quick cash.
January 28, 1975 • 1h
When a young boy is arrested as a witness to a murder, McGarrett must contend with a fiery deputy public prosecutor.
February 4, 1975 • 1h
A million dollar reward for the return of five figurines sparks off a trail of murder and theft that leads to Hawaii.
February 11, 1975 • 1h
When a psychotic man kills his doctor, Five-O must use a unfinished painting to gather clues to his whereabouts.
February 18, 1975 • 1h
An elaborate sea and air scheme for heroin smuggling goes unnoticed until one of the gang tries to sell out their plan for a fix of heroin.
February 25, 1975 • 1h
McGarrett must prevent a mob war by tracking down an unknown hitman and his intended target.
March 11, 1975 • 1h
When a deranged ex-Army officer shoots a policeman and takes a young girl hostage, McGarrett disagrees with a police captain over ...Read more
March 18, 1975 • 1h
A Saturday Night Special passes from person to person and causes Five-O trouble and others misery.
March 25, 1975 • 1h
Five-O works with a air traffic investigator in order to put a stop to illegal ticket sales which have already cost several lives.