Magnum P.I.

Season 4

20 episodes 5 seasons

Release Date

Premiered

Magnum P.I. Season 4 released on October 1, 2021.

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S04E01 Aired October 01, 2021

Island Vibes

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. While Higgins is abroad with Ethan, a misstep forces her to assist an old employer. Rick gets some bad, but also very, very good news

S04E02 Aired October 08, 2021

The Harder They Fall

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.

S04E03 Aired October 15, 2021

Texas Wedge

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 niece, unaware of her uncle's shady past, asks him to speak at her school.

S04E04 Aired October 22, 2021

Those We Leave Behind

Higgins’ therapist hires her to look into why one of her teenage patients died of suicide.

S04E05 Aired November 05, 2021

Til Death

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

S04E06 Aired November 12, 2021

Devil on the Doorstep

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.

S04E07 Aired November 19, 2021

A New Lease on Death

When Rick is asked to assist with a federal investigation of his childhood friend, Magnum launches his own investigation to see what the Feds really have on him. Kumu goes undercover in a retirement community when Higgins is hired to investigate the disappearance of a resident’s life savings.

S04E08 Aired December 03, 2021

A Fire in the Ashes

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.

S04E09 Aired December 10, 2021

Better Watch Out

A Christmas Eve ransomware attack on the Honolulu Police Department forces Lia to reveal a family secret to Magnum and Katsumoto.

S04E10 Aired January 07, 2022

Dream Lover

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.

S04E11 Aired January 14, 2022

If I Should Die Before I Wake

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 new dog walking business takes a dramatic turn, and Rick nervously prepares to reconnect with Suzy.

S04E12 Aired January 21, 2022

Angels Sometimes Kill

Shammy 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.

S04E13 Aired January 28, 2022

Judge Me Not

When Hawaii Supreme Court nominee Judge Rachel Park 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 suggests changes to make La Mariana more profitable, but TC and Kumo aren’t swayed.

S04E14 Aired February 25, 2022

Run, Baby, Run

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 on the case. Also, T.C. and Katsumoto team up on an emotional search for Cade’s mother.

S04E15 Aired March 04, 2022

Dead Man Walking

When Magnum balks at notorious crime boss Osi Shima’s 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.

S04E16 Aired March 11, 2022

Evil Walks Softly

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.

S04E17 Aired April 01, 2022

Remember Me Tomorrow

Higgins is in a complicated situation when 12-year-old Ella asks for help cracking a triple homicide that involves her mother. Also, Magnum bonds with Bob, a terminally ill veteran, while volunteering and attempts to reunite him with his estranged family.

S04E18 Aired April 08, 2022

Shallow Grave, Deep Water

Magnum goes to extreme lengths to uncover the truth about a crime that may have involved his dear deceased friend, Nuzo.

S04E19 Aired April 29, 2022

The Long Sleep

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.

S04E20 Aired May 06, 2022

Close to Home

Magnum and Higgins are sent on a deadly mission inside a high security correctional center when a ruthless criminal abducts Katsumoto and his ex-wife, Beth. Also, T.C. rushes to help Rick when Suzy experiences serious pregnancy complications.