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Season guide

Magnum, P.I.: Season 4

21 episodes Premiered Sep 29, 1983 Updated Oct 6, 2026
Previously on Magnum, P.I.

Season 4 Lore Primer

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

  • ⚡ Picks up essential narrative continuity directly following the events of Magnum, P.I. Season 3.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

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

Season 4: Filler vs. Essential Canon

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

14%
86%
Mytharc (3): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Home from the Sea

Sep 29, 1983 · 45 min

Magnum is caught in a treacherous current when his surf ski is capsized miles from shore with near disastrous results.

S4·E2 Core

Luther Gillis: File #521

Oct 6, 1983 · 45 min

Magnum joins forces with a hard-nosed private eye from St. Louis whey they find themselves investigating the same case but from opposite ends of the spectrum.

S4·E3 Core

Smaller Than Life

Oct 13, 1983 · 45 min

Magnum and Rick discover that trouble comes in all shapes and sizes.

S4·E4 Core

Distant Relative

Oct 20, 1983 · 45 min

Magnum does not count on murder when he chaperones Rick's convent-school sister on a night on the town.

S4·E5 Core

Limited Engagement

Nov 3, 1983 · 45 min

Hired to investigate a strange series of robberies, Magnum's gallantry comes to the fore when two seemingly helpless, but independent elderly ladies are involved in an accident.

S4·E6 Core

Letter to a Duchess

Nov 10, 1983 · 45 min

A flowery note of admiration from Higgins to a titles English woman, traveling the Islands incognito, is mistakenly attributed to Magnum.

S4·E7 Core

Squeeze Play

Nov 17, 1983 · 45 min

Robin's Nest may be lost to Magnum and Higgins unless the local softball team can beat high-powered tycoon Buzz Benoit's players.

S4·E8 Core

A Sense of Debt

Dec 1, 1983 · 45 min

TC puts life and limb on the line when he enters the boxing ring to repay an old debt.

S4·E9 Core

The Look

Dec 8, 1983 · 45 min

Saigon's most popular disc jockey arrives in Honolulu and Magnum discovers she is the victim of vicious phone calls and threats.

S4·E10 Core

Operation: Silent Night

Dec 15, 1983 · 45 min

Magnum, Rick, Higgins and TC spend an unexpected Christmas Eve on a remote island used by the military for gunnery practice.

S4·E11 Core

Jororo Farewell

Jan 5, 1984 · 45 min

Magnum befriends the young Prince of Jororo who is the target of terrorists.

S4·E12 Core

The Case of the Red Faced Thespian

Jan 19, 1984 · 45 min

Magnum must utilize his deductive powers when a lavish costume party becomes the scene of a baffling murder.

S4·E13 Core

No More Mr. Nice Guy

Jan 26, 1984 · 45 min

Magnum and Higgins' friend, Carol - now a Deputy District Attorney - cons them into helping her set up a sting operation.

S4·E14 Core

Rembrandt's Girl

Feb 2, 1984 · 45 min

Susan Johnson (played by Carol Burnett) is a bank teller who, desperate to hire Magnum, locks the two of them in a time-released bank vault.

S4·E15 Core

Paradise Blues

Feb 9, 1984 · 45 min

An old friend from Magnum and TC's Vietnam days turns up in Hawaii asking for their help.

S4·E16 Core

The Return of Luther Gillis

Feb 16, 1984 · 45 min

Magnum finds himself working with anachronistic gumshoe Luther Gillis again after someone kidnaps Higgins and Luther's secretary.

S4·E17 Core

Let the Punishment Fit the Crime

Feb 23, 1984 · 45 min

A young woman who persuades Magnum to look for her brother also finagles a role in Higgins' musical production for a visiting British politician.

S4·E18 Core

Holmes Is Where the Heart Is

Mar 8, 1984 · 45 min

A former British secret agent and old friend of Higgins arrives in Honolulu imagining himself as Sherlock Holmes.

S4·E19 Core

On Face Value

Mar 15, 1984 · 45 min

A freak accident, occurring while Magnum is in hot pursuit of suspects causes traumatic injuries for an innocent bystander.

S4·E20 Mytharc

Dream a Little Dream

Mar 29, 1984 · 45 min

Magnum has feelings of déjà vu when he meets a young woman, who is a contestant in a Surf-Out held on Hawaii's North Shore.

S4·E21 Mytharc

I Witness

May 3, 1984 · 45 min

The King of Kamehameha Club is robbed by masked gunmen and the three principal eye witnesses - Higgins, T.C. and Rick - have decidedly different views of what happened.

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