1. The Young Assassins
Aired: Sep 10, 1974A band of young radicals is killing ordinary people at random. Five-O consult...
2. A Hawaiian Nightmare
Aired: Sep 17, 1974A man who's an expert in both geology and explosives, owes loan sharks more t...
3. I'll Kill 'Em Again
Aired: Sep 24, 1974A nerdy bookstore clerk with an obsession for McGarrett turns deadly as he re...
4. Steal Now - Pay Later
Aired: Oct 1, 1974Colby runs an operation that fences stolen goods with retailers enticed by to...
5. Bomb, Bomb, Who's Got the Bomb?
Aired: Oct 8, 1974A series of bomb threats against a state senator culminate in a car-bomb blas...
6. Right Grave - Wrong Body
Aired: Oct 15, 1974A current wave of liquor store robberies and shootings are strangely linked t...
7. We Hang Our Own
Aired: Oct 22, 1974A powerful cattle Baron has taken the law into his own hands when his son is ...
8. The Two-Faced Corpse
Aired: Oct 29, 1974A Honolulu businessman is found murdered on a land tract he was trying to dev...
9. How to Steal a Masterpiece
Aired: Nov 12, 1974Thugs break into the heavily-guarded art room of a multimillionaire and steal...
10. A Gun for McGarrett
Aired: Nov 26, 1974A plaque, an award for his work in law enforcement, arrives in McGarrett's of...
11. Welcome to Our Branch Office
Aired: Dec 3, 1974A pair of con men sneak into Five-O' headquarters at night to photograph the ...
12. Presenting... in the Center Ring... Murder
Aired: Dec 10, 1974A Chinese Minister comes to Hawaii for a conference and Steve is placed in ch...
13. Hara-Kiri: Murder
Aired: Dec 31, 1974A shamed Japanese banker ritualistically kills himself, and McGarrett wants t...
14. Bones of Contention
Aired: Jan 7, 1975Raymond Parmel, a murderous former soldier, claims to have the remains of Pek...
15. Computer Killer
Aired: Jan 14, 1975A computer expert is hired to program various machines to produce phony evide...
16. A Woman's Work Is with a Gun
Aired: Jan 21, 1975After killing a drug dealer who stiffed her, an impoverished psychotic woman ...
17. Small Witness, Large Crime
Aired: Jan 28, 1975A hit man takes a shot at a man on a boat arriving in Honolulu harbor from a ...
18. Ring of Life
Aired: Feb 4, 1975Colin Nichols is a vicious British soldier of fortune, looking for a missing ...
19. Study in Rage
Aired: Feb 11, 1975Mike (Richard Hatch) carries a torch for Glynis (Gretchen Corbett) and concoc...
20. And the Horse Jumped Over the Moon
Aired: Feb 18, 1975A skydiver and a private pilot team up to retrieve heroin shipments from the ...
21. Hit Gun for Sale
Aired: Feb 25, 1975McGarrett goes all out to keep the lid on a threatened organized crime war by...
22. The Hostage
Aired: Mar 11, 1975A paranoid Korean War veteran, thinking a policeman is about to arrest him fo...
23. Diary of a Gun
Aired: Mar 18, 1975One of the better of far too many TV-series episodes advocating gun control, ...
24. 6,000 Deadly Tickets
Aired: Mar 25, 1975A criminal syndicate has stolen 6,000 airline, cruise and attraction tickets ...