Episode Guide

Season 4

Episode Guide

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S4 E20
May 06, 2022
Magnum and Higgins take on a dangerous mission inside a high-security correctional center when a ruthless criminal abducts Katsumoto's ex-wife, Beth. Also, T.C. rushes to help Rick when Suzy has unexpected pregnancy complications.

The Long Sleep

S4 E19
Apr 29, 2022
A disoriented man hires Magnum and Higgins to investigate a crime he doesn't remember after he woke up on the beach covered in blood. Also, T.C. is taken aback when Cade's biological grandmother makes a surprise visit, and Rick's feelings for Suzy grow stronger as they prepare for the birth of their first child.

Shallow Grave, Deep Water

S4 E18
Apr 08, 2022
Magnum goes to extreme lengths to uncover the truth about a crime that may have involved his dear deceased friend, Nuzo (Domenick Lombardozzi).

Remember Me Tomorrow

S4 E17
Apr 01, 2022
Higgins is in a complicated situation when 12-year-old Ella (Hala Finley) asks for help cracking a triple homicide that involves her mother. Also, Magnum bonds with Bob (Max Gail), a terminally ill veteran, while volunteering with the No Veteran Dies Alone Program and attempts to reunite him with his estranged family. ( TV-14 L)

Evil Walks Softly

S4 E16
Mar 11, 2022
The mother of a suspected bomber hires Magnum and Higgins to locate her teen son and turn him in to the authorities. Also, Kumu and Rick help T.C. navigate his guilty conscience when he runs into a past flame.

Dead Man Walking

S4 E15
Mar 04, 2022
When Magnum balks at notorious crime boss Osi Shima's (Eijiro Ozaki) request to find his missing son, Magnum learns he's been poisoned and has only eight hours to locate Shima's son to earn the antidote, or else he dies.

Run, Baby, Run

S4 E14
Feb 25, 2022
A bail bondsman hires Magnum and Higgins to track down a woman who skipped out on her $250,000 bond. When they locate the body of another P.I. who was previously searching for her, they partner with Det. Lia Kaleo (Chantal Thuy) on the case. Also, T.C. and Katsumoto team up on an emotional search for Cade's mother.

Judge Me Not

S4 E13
Jan 28, 2022
When Hawaii Supreme Court nominee Judge Rachel Park (Moon Bloodgood) is being blackmailed, she hires Magnum and Higgins who go to extraordinary lengths to help her out. Also, with the pressure of fatherhood looming, Rick suggest changes to make La Mariana more profitable, but TC and Kumo aren't swayed.

Angels Sometimes Kill

S4 E12
Jan 21, 2022
Shammy (Christopher Thornton) asks Magnum and Higgins to locate his missing friend, a homeless veteran. Also, T.C. tries to get Cade to return to school, but quickly learns it's not that simple.

If I Should Die Before I Wake

S4 E11
Jan 14, 2022
A nun hires Magnum and Higgins to investigate a mysterious and large cash donation made to a parishioner undergoing medical treatment at the church. Also, Jin's (Bobby Lee) new dog walking business takes a dramatic turn, and Rick nervously prepares to reconnect with Suzy (Betsy Phillips).

Dream Lover

S4 E10
Jan 07, 2022
When a woman hires Magnum and Higgins to locate a man she met briefly at a coffee shop and felt a spark with, they learn that he is hiding a big secret. Also, Higgins keeps a secret of her own after she has a romantic dream about Magnum.

Better Watch Out

S4 E9
Dec 10, 2021
A Christmas Eve ransomware attack on the Honolulu Police Department forces Lia (Chantal Thuy) to reveal a family secret to Magnum and Katsumoto.

A Fire in the Ashes

S4 E8
Dec 03, 2021
Magnum starts following Higgins to discover what she's been hiding, as she's secretly assigned to infiltrate a group threatening to take down MI-6. Also, Rick struggles after an explosion takes the life of someone important to him.

A New Lease on Death

S4 E7
Nov 19, 2021
When Rick is asked to assist with a federal investigation of his childhood friend Robbie (Devon Sawa), Magnum launches his own investigation to see what the Feds really have on him. Also, Kumu goes undercover in a retirement community when Higgins is hired to investigate the disappearance of a resident's life savings.

Devil On The Doorstep

S4 E6
Nov 12, 2021
A journalist hires Magnum to track down his anonymous source after they mysteriously go dark, and Higgins receives a new assignment from MI-6. Also, Rick's old friend comes to the island, but TC is suspicious of his motives.

Til Death

S4 E5
Nov 05, 2021
When Magnum and Higgins are hired by an anxious groom to look into his bride-to-be on the eve of their wedding, what they think is a simple case of cold feet turns into a web of lies and a life-or-death situation for Higgins. Also, TC makes a touching decision on how to help Cade.

Those We Leave Behind

S4 E4
Oct 22, 2021
Higgins' therapist hires her to look into why one of her teenage patients died of suicide.

Texas Wedge

S4 E3
Oct 15, 2021
Magnum, Higgins and Rick go undercover at a ritzy country club when a young caddie is fired after being accused of stealing a member's golf clubs. Also, Jin's (Bobby Lee) niece (Kaylee Hottle), unaware of her uncle's shady past, asks him to speak at her school.

The Harder They Fall

S4 E2
Oct 08, 2021
While Magnum and Higgins reunite and work the case of a construction worker's tragic death, TC and Shammy get skyjacked by a pair of drug runners posing as tourists.

Island Vibes

S4 E1
Oct 01, 2021
As Magnum tries to keep his new relationship a secret and handles cases solo while Higgins is away, he is tasked with finding a single mom being hunted by two very dangerous gangs. Also, while Higgins is abroad with Ethan, a misstep forces her to assist an old employer, and Rick gets some bad, but also very, very good news.