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Hawaii Five-O: Season 4

24 episodes Premiered Sep 14, 1971 Updated Nov 6, 2026

The fourth season of the American police procedural drama series Hawaii Five-O aired on the CBS network. The season commenced on September 14, 1971, and concluded its broadcast run on March 7, 1972. Produced by CBS Productions and Leonard Freeman, the series is set in Hawaii and follows the operations of a special state police unit. Jack Lord continues his role as Detective Lieutenant Steve McGarrett, who serves as t

Previously on Hawaii Five-O

Season 4 Lore Primer

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

  • ⚡ Hawaii Five-O is an American police procedural drama series produced by CBS Productions and Leonard Freeman.
  • ⚡ The series is set in the state of Hawaii and focuses on the activities of a special state police unit.
  • ⚡ Detective Lieutenant Steve McGarrett serves as the head of the special state police unit.
  • ⚡ The series originally aired for twelve seasons, spanning from 1968 to 1980.
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Season overview

The fourth season of the American police procedural drama series Hawaii Five-O aired on the CBS network. The season commenced on September 14, 1971, and concluded its broadcast run on March 7, 1972. Produced by CBS Productions and Leonard Freeman, the series is set in Hawaii and follows the operations of a special state police unit. Jack Lord continues his role as Detective Lieutenant Steve McGarrett, who serves as the head of the Five-O task force. The narrative focus of the series remains on the procedural investigations conducted by this specialized unit within the Hawaiian islands. Following the conclusion of the season's original broadcast run, the fourth season was later made available for home viewing through a region 1 DVD release, which occurred on June 10, 2008. The series, which originally aired for twelve seasons between 1968 and 1980, maintains its status as a police procedural drama, with the fourth season representing a continuation of the established organizational structure and investigative responsibilities overseen by McGarrett and his team of detectives during the early 1970s.

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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

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Binge Efficiency Engine

Season 4: 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
S4·E1 Mytharc

Highest Castle, Deepest Grave

Sep 14, 1971 · 50 min

A ten year old case is reopened when an archaeological dig unearths the skeletons of two murder victims.

S4·E2 Mytharc

No Bottles... No Cans... No People

Sep 21, 1971 · 50 min

Gangster Johnny Oporta arranges for his enemies to be murdered and then covers up his crimes by incinerating their bodies. McGarrett and the others must stop this murderous spree.

S4·E3 Core

Wednesday, Ladies Free

Sep 28, 1971 · 50 min

Vic Tanaka is murdering women and painting their faces to resemble a prostitute he once knew, who is now happily married. McGarrett and his team must find the killer before he does

S4·E4 Core

3,000 Crooked Miles To Honolulu

Oct 5, 1971 · 50 min

Five-O is up against a sophisticated gang who have come to Hawaii to cash $750,000 of traveller's cheques.

S4·E5 Core

Two Doves And Mr. Heron

Oct 12, 1971 · 50 min

A hippie robs an embezzler of the key to a locker containing $250,000. Meanwhile, Danno is trying to contact the daughter of his Berkeley University landlady, who happens to be the

S4·E6 Core

...And I Want Some Candy And A Gun That Shoots

Oct 19, 1971 · 50 min

Young Vietnam veteran and marksman Billy Shem Jr. buys a rifle under false pretences and proceeds to a bunker at Diamond Head. He then takes pot shots at the people on the road and

S4·E7 Core

Air Cargo -- Dial For Murder

Oct 26, 1971 · 50 min

While investigating the death of a security agent at an airport, McGarrett comes into contact with a gang who hijack cargo.

S4·E8 Core

For A Million... Why Not?

Nov 2, 1971 · 50 min

Five seemingly good citizens with different motives band together to steal $6,000,000 while McGarrett is away on Maui at a trial.

S4·E9 Core

The Burning Ice

Nov 9, 1971 · 50 min

McGarrett finds holes in a convict's story and a husband becomes a suspect in the murder of his wife.

S4·E10 Core

Rest In Peace, Somebody

Nov 16, 1971 · 50 min

A policeman who was kicked off the force blames McGarrett and Five-O and plans to kill the Governor.

S4·E11 Core

A Matter Of Mutual Concern

Nov 23, 1971 · 50 min

McGarrett must deal with the conflicts between four gangs of differing ethnic background, and try to uncover illegal activities.

S4·E12 Core

Nine, Ten -- You're Dead

Nov 30, 1971 · 50 min

A mob boss seeks revenge on a former boxer who smashed the hand of a novice to prevent him from ending up ruining his life in the boxing ring.

S4·E13 Core

Is This Any Way To Run A Paradise?

Dec 21, 1971 · 50 min

McGarrett and the team must find out who is behind a series of ecological stunts, when it is feared that a company executive will be their next target.

S4·E14 Core

Odd Man In

Dec 28, 1971 · 50 min

A veteran criminal who has already had dealings with Five-O escapes, and plans to steal millions of dollars from drug smugglers.

S4·E15 Core

Bait Once, Bait Twice

Jan 4, 1972 · 50 min

A woman attempts suicide in order to get her boyfriend to come out into the open and expose himself to an assassination attempt.

S4·E16 Core

The Ninety-Second War (1)

Jan 11, 1972 · 50 min

McGarrett is framed in an elaborate set up by Wo Fat, and has to contend with a foreign double amongst other problems.

S4·E17 Core

The Ninety-Second War (2)

Jan 18, 1972 · 50 min

Several faces from the past reappear as McGarrett must stop Wo Fat from carrying out his plan, a ninety second attack on a missile tracking base.

S4·E18 Core

Skinhead

Jan 25, 1972 · 50 min

When a young woman is beaten and raped and a soldier is arrested for the crime, McGarrett begins to have doubts about his guilt.

S4·E19 Core

While You're At It, Bring In The Moon

Feb 1, 1972 · 50 min

An eccentric billionaire is accused of murdering a business associate, but will not leave his boat to defend himself against the accusations, allowing his associates to declare him

S4·E20 Core

Cloth Of Gold

Feb 8, 1972 · 50 min

Three real estate crooks die horrible and mysterious shellfish related deaths, and McGarrett and the others must establish the link between them, and who has reason to want them de

S4·E21 Core

Good Night, Baby - Time To Die!

Feb 15, 1972 · 50 min

McGarrett sets up a cordon of police around a young woman to capture her boyfriend who has escaped from jail, but all is not as it seems…

S4·E22 Core

Didn't We Meet At A Murder?

Feb 22, 1972 · 49 min

A young widow becomes part of a blackmail plot involving the murder of a Chicago mobster.

S4·E23 Mytharc

Follow The White Brick Road

Feb 29, 1972 · 50 min

Danno goes undercover onboard a Navy ship to try and uncover how sailors are smuggling heroin onto the islands.

S4·E24 Mytharc

R&R -- &R

Mar 7, 1972 · 50 min

A psychotic man named Ralston is killing the wives of members of his army unit, and Five-O, including Kono on his last case, must stop him before he commits any more crazed attacks

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