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Season guide

Hawaii Five-O: Season 7

24 episodes Premiered Sep 9, 1974 Updated Sep 25, 2026
Previously on Hawaii Five-O

Season 7 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Hawaii Five-O Season 6.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 7 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 7 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 7: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

17%
83%
Mytharc (4): Crucial lore & season climaxes
Core (20): Character development & subplots
Side Quest (0): Standalone / filler
S7·E1 Mytharc

The Young Assassins

Sep 10, 1974 · 60 min

Danno and a college professor are kidnapped by a revolutionary group of young radicals led by a hardened criminal.

S7·E2 Core

A Hawaiian Nightmare

Sep 17, 1974 · 60 min

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 do

S7·E3 Core

I'll Kill 'Em Again

Sep 24, 1974 · 60 min

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.

S7·E4 Core

Steal Now -- Pay Later

Oct 1, 1974 · 60 min

A sophisticated thief is selling his goods to legitimate businessmen, and Five-O must find a way of trapping him.

S7·E5 Core

Bomb, Bomb, Who's Got The Bomb?

Oct 8, 1974 · 60 min

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 handwritin

S7·E6 Core

Right Grave, Wrong Body

Oct 15, 1974 · 60 min

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 bee

S7·E7 Core

We Hang Our Own

Oct 22, 1974 · 60 min

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.

S7·E8 Core

The Two-Faced Corpse

Oct 29, 1974 · 60 min

A gangland execution investigation takes a turn for the peculiar when it is found that the victim had two identities.

S7·E9 Core

How To Steal A Masterpiece

Nov 12, 1974 · 60 min

Five-O must investigate why three infallible security systems are failing to prevent the theft of priceless artworks.

S7·E10 Core

A Gun For McGarrett

Nov 26, 1974 · 60 min

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…

S7·E11 Core

Welcome To Our Branch Office

Dec 3, 1974 · 60 min

Two conmen use a gang of Five-O lookalikes and doubles to extort money from Honolulu businessmen.

S7·E13 Core

Hara-Kiri: Murder

Dec 31, 1974 · 60 min

McGarrett and Five-O need to find out why a Japanese banker ritually killed himself and catch a true criminal into the bargain.

S7·E14 Core

Bones Of Contention

Jan 7, 1975 · 60 min

A Honolulu murder is mysteriously linked to a human fossil smuggled out of China in the Second World War.

S7·E15 Core

Computer Killer

Jan 14, 1975 · 60 min

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.

S7·E16 Core

A Woman's Work Is With A Gun

Jan 21, 1975 · 60 min

Three women desperately in need of money take to armed robbery of tourist buses as a way to raise some quick cash.

S7·E17 Core

Small Witness, Large Crime

Jan 28, 1975 · 60 min

When a young boy is arrested as a witness to a murder, McGarrett must contend with a fiery deputy public prosecutor.

S7·E18 Core

Ring Of Life

Feb 4, 1975 · 60 min

A million dollar reward for the return of five figurines sparks off a trail of murder and theft that leads to Hawaii.

S7·E19 Core

Study In Rage

Feb 11, 1975 · 60 min

When a psychotic man kills his doctor, Five-O must use a unfinished painting to gather clues to his whereabouts.

S7·E20 Core

And The Horse Jumped Over The Moon

Feb 18, 1975 · 60 min

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.

S7·E21 Core

Hit Gun For Sale

Feb 25, 1975 · 60 min

McGarrett must prevent a mob war by tracking down an unknown hitman and his intended target.

S7·E22 Core

The Hostage

Mar 11, 1975 · 60 min

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.

S7·E23 Mytharc

Diary Of A Gun

Mar 18, 1975 · 60 min

A Saturday Night Special passes from person to person and causes Five-O trouble and others misery.

S7·E24 Mytharc

6,000 Deadly Tickets

Mar 25, 1975 · 60 min

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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