Season 7 (1974)
EPISODES
1. The Young Assassins
Danno and a college professor are kidnapped by a revolutionary group of young radicals led by a hardened criminal.
2. A Hawaiian Nightmare
A geophysics expert, Bernard Brown, is heavily in debt, so he comes up with a plan to cause an explosion in the Hawaii Volcanoes National Park, which will cause lava to pour all down the hillside and into the city of Hilo, unless the Governor comes up with half a million dollars as a ransom.
3. I'll Kill 'Em Again
Eddie Josephs is a paranoid schizophrenic who is carrying out murders based on old Five-O cases. McGarrett must follow his clues and catch him before more people die.
4. Steal Now -- Pay Later
A sophisticated thief is selling his goods to legitimate businessmen, and Five-O must find a way of trapping him.
5. Bomb, Bomb, Who's Got The Bomb?
Senator Harlan Henderson suffers from multiple personalities, and one side of him wants to kill himself. However, he ends up blowing up his secretary, and McGarrett uses handwriting and a diagnosis from a psychiatrist to try to crack the case.
6. Right Grave, Wrong Body
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 bankrobber five years before and the body has been uncovered.
7. We Hang Our Own
When his son is beaten to death, a powerful cattle baron takes matters into his own hands, and McGarrett and Five-O must prevent the rule of law from breaking down.
8. The Two-Faced Corpse
A gangland execution investigation takes a turn for the peculiar when it is found that the victim had two identities.
9. How To Steal A Masterpiece
Five-O must investigate why three infallible security systems are failing to prevent the theft of priceless artworks.
10. A Gun For McGarrett
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…
11. Welcome To Our Branch Office
Two conmen use a gang of Five-O lookalikes and doubles to extort money from Honolulu businessmen.
12. Presenting... In The Center Ring... Murder
Wo Fat returns to Hawaii in order to have a Chinese diplomat whom he classes as a foolish peace-maker assassinated.
13. Hara-Kiri: Murder
McGarrett and Five-O need to find out why a Japanese banker ritually killed himself and catch a true criminal into the bargain.
14. Bones Of Contention
A Honolulu murder is mysteriously linked to a human fossil smuggled out of China in the Second World War.
15. Computer Killer
An investigation into a murder is sent off track through the modification of computer information, and Five-O must use the latest technology to rescue the case.
16. A Woman's Work Is With A Gun
Three women desperately in need of money take to armed robbery of tourist buses as a way to raise some quick cash.
17. Small Witness, Large Crime
When a young boy is arrested as a witness to a murder, McGarrett must contend with a fiery deputy public prosecutor.
18. Ring Of Life
A million dollar reward for the return of five figurines sparks off a trail of murder and theft that leads to Hawaii.
19. Study In Rage
When a psychotic man kills his doctor, Five-O must use a unfinished painting to gather clues to his whereabouts.
20. And The Horse Jumped Over The Moon
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.
21. Hit Gun For Sale
McGarrett must prevent a mob war by tracking down an unknown hitman and his intended target.
22. The Hostage
When a deranged ex-Army officer shoots a policeman and takes a young girl hostage, McGarrett disagrees with a police captain over the best way to free her.
23. Diary Of A Gun
A Saturday Night Special passes from person to person and causes Five-O trouble and others misery.
24. 6,000 Deadly Tickets
Five-O works with a air traffic investigator in order to put a stop to illegal ticket sales which have already cost several lives.
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