Season 4

Episode information

Airdates

October 1, 2021 – May 6, 2022

Cast

No. of episodes

20

Premiere

Island Vibes

Finale

Close to Home

Previous	Next
Season 3	Season 5

Season 4 is the fourth season of Magnum P.I.. It was confirmed on April 15, 2021. It was premiered on October 1, 2021 and has concluded on May 6, 2022.

Cast[]

Main[]

Recurring[]

Guest[]

Kaylee Hottle as Joon
Nikki Hahn as Amanda Davis
Taiana Tully as Det. Laura Palea
Ian Harding as Aiden Walker
Molly Griggs as Serena/Kate
Sebastian Siegel as Julian LaGrange
Yancey Arias as Agent Ray Sloane
Devon Sawa as Robbie Nelson
Greg Ellis as Sean Cavendish
Brooke Nevin as Emily Pratt
Moon Bloodgood as Judge Rachel Park
Maya Stojan as Maya
Levy Tran as Kristin "Tia" Min
Domenick Lombardozzi as Sebastian Nuzo
Janel Parrish as Maleah
Parker Queenan as Ryder Simmons
Emily Alaba as Mahina (a firefighter)
Hala Finley as Ella Vaughn
Niall Matter as Cole Vaughn
Robert Pine as Daniel "Danny" Braddock
Elpidia Carrillo as Donna Jensen

Trivia[]

On April 15, 2021, the series was renewed for a fourth season alongside with NCIS, Blue Bloods, Bull and S.W.A.T..^[1]
The series would set to film in Oahu in early September 2021^[2]
On May 19, 2021, the series has remain schedule on Friday at 9:00PM/8:00PM after S.W.A.T..^[3]
The season has premiered on October 1, 2021.^[4]
Chantal Thuy is now billed as also starring from 4x01 onwards.^[5]
On May 12, 2022, it was announced that the series has been cancelled after four seasons and recently moved to NBC for next season.^[6]^[7]

Episodes[]

Title	Written by	Directed by	Original air date	Production code
Island Vibes	Eric Guggenheim & Gene Hong	Bryan Spicer	October 1, 2021	401
	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.
The Harder They Fall	David Wolkove	Doug Hannah	October 8, 2021	402
	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.
Texas Wedge	Gene Hong	Antonio Negret	October 15, 2021	403
	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.
Those We Leave Behind	Barbie Kligman	Allison Liddi-Brown	October 22, 2021	404
	While Dennis Katsumoto is driving with his mother, the two are carjacked and Dennis is critically injured when his head hits the pavement. Higgins brings Magnum a case of a teenage girl who committed suicide, not telling him she got the case while seeing a therapist, as the therapist strongly feels the girl was not suicidal. While working the case, Magnum and Higgins are also able to help Gordon locate the carjackers who hurt his son. Dennis has successful surgery to repair a brain bleed.
Til Death	Katie Varney	Eagle Egilsson	November 5, 2021	405
	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.
Devil On The Doorstep	Tera Tolentino	Claudia Yarmy	November 12, 2021	406
	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.
A New Lease On Death	Barbie Kilgman (story/teleplay) & Zachary Knighton (story)	Ruba Nadda	November 19, 2021	407
	When Rick is asked to assist with a federal investigation of his childhood friend Robbie, 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.
A Fire in the Ashes	David Slack	Lisa Robinson	December 3, 2021	408
	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.
Better Watch Out	Katie Varney	Ruba Nadda	December 10, 2021	409
	A Christmas Eve ransomware attack on the Honolulu Police Department forces Lia to reveal a family secret to Magnum and Katsumoto.
Dream Lover	David Wolkove	Avi Youabian	January 7, 2022	410
	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.
If I Should Die Before I Wake	Gene Hong & Andre Jackson	Lin Oeding	January 14, 2022	411
	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.
Angels Sometimes Kill	Mike Diaz (story/teleplay) & Barbie Kligman (story)	Marcus Stokes	January 21, 2022	412
	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.
Judge Me Not	David Slack	Benny Boom	January 28, 2022	413
	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 Kumu aren't swayed.
Run, Baby, Run	David Wolkove	Roderick Davis	February 25, 2022	414
	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.
Dead Man Walking	Gene Hong	David Straiton	March 4, 2022	415
	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.
Evil Walks Softly	Tera Tolentino	Alexandra La Roche	March 11, 2022	416
	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.
Remember Me Tomorrow	Mike Diaz & Barbie Kligman & Katie Varney	Bryan Spicer	April 1, 2022	417
	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 with the No Veteran Dies Alone Program and attempts to reunite him with his estranged family.
Shallow Grave, Deep Water	David Slack	Jay Hernandez	April 8, 2022	418
	Magnum goes to extreme lengths to uncover the truth about a crime that may have involved his dear deceased friend, Nuzo.
The Long Sleep	Mike Diaz & Andre Jackson & David Wolkove	Eagle Egilsson	April 29, 2022	419
	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.
Close to Home	Eric Guggenheim	Bryan Spicer	May 6, 2022	420
	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.