Hawaii Five-O: Season 12
Season 12 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 11.
- 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.
Episode Guide
Season 12 Progress Shield
A Lion In The Streets (1)
Oct 4, 1979 · 60 min
McGarrett finds himself stymied when Hawaiian nationalists and local underworld mobsters clash over a union election.
A Lion In The Streets (2)
Oct 4, 1979 · 60 min
Labouring under a ban on cooperation by native Hawaiians because of a Kahuna, McGarrett must try to prevent war on the streets...
Who Says Cops Don't Cry
Oct 11, 1979 · 60 min
When the husband of a policewoman is gunned down by opportunist robbers, she resolves to catch them any way she can.
Though The Heavens Fall
Oct 18, 1979 · 60 min
A group of high society men set out to see that justice is done - the catch being that it is justice on their terms only...
Sign Of The Ram
Oct 25, 1979 · 60 min
Jessica Humboldt, an astrologer and friend of Agnes DuBois, comes to McGarrett with news that a forthcoming match will be disastrous for a boxer. McGarrett must overcome his suspic
Good Help Is Hard To Find
Nov 1, 1979 · 60 min
Tony Alika and Guido Marioni, killer of Kimo's family, together hatch a plot to frame and embarrass the Five-O team by making them look stupid or corrupt.
Image Of Fear
Nov 8, 1979 · 60 min
When a woman is stalked by a strange figure, she seems to be seeing things and her friends are worried as to her mental health. However, events prove her case and an accomplice is
Use A Gun, Go To Hell
Nov 29, 1979 · 60 min
When two surfer bums use a gun to rob a shop, it starts off a trail of death and misery involving children, politics and blackmail.
Voice Of Terror
Dec 4, 1979 · 60 min
A group of terrorists capture a female officer and use her to further their aims, and McGarrett and the team must find a way to take them out without endangering the life of Office
A Shallow Grave
Dec 11, 1979 · 60 min
A young man on vacation has strange visions that lead him to the site of an old murder and help him discover a lost family.
The Kahuna
Dec 18, 1979 · 60 min
When two healthy young people die mysteriously, local traditions prevent post mortems, and a strange conspiracy is gradually uncovered when Truck seems to fall under the power of a
Labyrinth
Dec 25, 1979 · 60 min
When a rich socialite is kidnapped, her husband insists that Five-O stay out of the case. However, his reasons may not all be on the level as events take a series of twists and tur
School For Assassins
Jan 1, 1980 · 60 min
McGarrett and Kimo must stop a gang of trained assassins from disrupting a meeting of energy ministers.
For Old Times Sake
Jan 8, 1980 · 60 min
A aging crook decides to use dollar bill printing plates he made to raise cash for a charity, but he fails to realise the trouble that this will cause.
The Golden Noose
Jan 15, 1980 · 60 min
McGarrett is suspicious of an aide who arrives in Hawaii to retrieve millions of dollars held in trust for a Southern Asian state and he must prevent a daring gold robbery.
The Flight Of The Jewels
Mar 1, 1980 · 60 min
A gang of clever students use radio-controlled planes to execute the theft of Queen Liliokalani's jewels.
Clash Of Shadows
Mar 8, 1980 · 60 min
The murder of a Nazi-hunter and discovery of a World War II medal set McGarrett and the team on the trail of a Nazi war criminal living in Honolulu...
A Bird In Hand...
Mar 22, 1980 · 60 min
A group of seemingly harmless birdwatchers are the target of a vendetta. Five-O must discover why they were a target and stop any further violence.
The Moroville Covenant
Mar 29, 1980 · 60 min
A politician trying for the Senate is weakened by the murder of the man who is blackmailing him.
Woe To Wo Fat
Apr 5, 1980 · 60 min
The series concludes with the final showdown between McGarrett and Wo Fat. Three scientists have gone missing. They have one thing in common: they all attended a symposium that dis