Seasons & episodes
S4 · E17Remember Me Tomorrow 2022-04-01 · 43 min
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.
S4 · E18Shallow Grave, Deep Water 2022-04-08 · 43 min
Magnum goes to extreme lengths to uncover the truth about a crime that may have involved his dear deceased friend, Nuzo.
S4 · E19The Long Sleep 2022-04-29 · 43 min
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.
S4 · E20Close to Home 2022-05-06 · 43 min
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.
S5 · E1The Passenger 2023-02-19 · 43 min
Magnum and Higgins weigh the risks of pursuing a relationship. Rick juggles being a new father and running La Mariana. Katsumoto tries to figure out his next move.
S5 · E2The Breaking Point 2023-02-19 · 44 min
Magnum and Higgins go undercover as lifeguards in order to solve a murder. Jin Jeong wins a storage unit auction and enlists the help of Rick and TC upon finding a stolen military medal.
S5 · E3Number One with a Bullet 2023-02-26
Katsumoto takes a job providing security for a chart-topping K-pop star. Higgins and Rick find themselves in peril while trying to help Rick's friend. Magnum harbors suspicions about Capt. Greene's death.
S5 · E4NSFW 2023-03-05
Magnum and Higgins search for a CEO who has mysteriously vanished. Rick braces for a visit from his wild-child little sister, Ruthie.
S5 · E5Welcome to Paradise, Now Die! 2023-03-12
Magnum recruits Katsumoto to help find a missing tourist. Higgins and Kumu attempt to solve the murder of a beloved dog. Rick enlists the aid of TC after he accidentally loses Magnum's pet mouse, Roberto II.
S5 · E6Dead Ringer 2023-03-19 · 42 min
Katsumoto's hearing date has arrived and he will learn if his career in law enforcement is over for good or not. Magnum and Higgins are hired to investigate a man their client believes committed murder. Rick's suspicions grow on their relationship.
S5 · E7Birthright 2023-03-26 · 42 min
Magnum and Higgins investigate the robbery of an elderly man suffering from Alzheimer’s. The ohana tries to help TC overcome a past trauma.
S5 · E8Dark Skies 2023-04-02 · 42 min
Magnum and Rick make a shocking discovery in the Capt. Greene case. Higgins and TC head to Maui to help an eccentric billionaire find the owner of a pesky drone that has been harassing him. Shammy helps Kumu after an incident occurs at La Mariana.
S5 · E9Out of Sight, Out of Mind 2023-04-16
Magnum and Higgins take on a case that sends Higgins inside a psychiatric hospital. Katsumoto and his son, Dennis, head to the mainland to look at colleges, but their trip takes a harrowing turn when a run-in with a local turns ugly.
S5 · E10Charlie Foxtrot 2023-04-23 · 43 min
An armed hit team lays siege to Robin's Nest. TC is badly injured while Rick fights for his life. Mid Season Finale
S5 · E11Hit and Run 2023-10-04 · 43 min
Magnum and Higgins go to work for a dangerous and controversial client. Kumu and Shammy help move TC to a veterans' rehab facility. Rick flirts with a woman who works at the marina.
S5 · E12Three Bridges 2023-10-11 · 43 min
Magnum and Higgins try to help Zhao, a close friend of Kumu, recover her life savings that was all lost to a scammer. TC becomes increasingly frustrated at the lack of progress in his recovery and pushes everyone away.
S5 · E13Appetite for Danger 2023-10-18 · 43 min
Magnum and Higgins enlist Katsumoto to go undercover when a chef at a high-end restaurant goes missing. Kumu works with Cade at the Cultural Center, confronting one of America's darker chapters - the internment of Japanese Americans in the wake of Pearl Harbor.
S5 · E14Night Has a Thousand Eyes 2023-10-25 · 43 min
Magnum and Rick race to find a missing witness who can exonerate an innocent man accused of murder. TC tries to repair his relationship with Mahina after being released from the VA.
S5 · E15The Retrieval 2023-11-01 · 43 min
Magnum and Higgins are hired to find a missing gamer whose online friends believe he might be in trouble. Jin Jeong enlists the help of TC in a treasure hunt after his ex-partner gets out of prison.
S5 · E16Run with the Devil 2023-11-15 · 43 min
Magnum and Higgins agree to help a teenage Amish boy who has traveled to Hawaii in search of his runaway sister. Rick sets out to find TC a date to the Marine Corps Ball.
S5 · E17Consciousness of Guilt 2023-12-06 · 43 min
After a high-stakes homicide case falls apart at trial, Katsumoto asks Magnum to help him stop a killer from walking free. Higgins helps Jin Jeong with a mystery of his own.
S5 · E18Extracurricular Activities 2023-12-13 · 43 min
Magnum and Higgins are hired by a University of Oahu dean to quietly investigate a professor who has been accused of having an inappropriate relationship with a female grad student. TC and Katsumoto take Cade and Dennis on a father-son camping trip.
S5 · E19Ashes to Ashes 2024-01-03 · 43 min
Magnum and Higgins re-examine a fatal arson investigation at the request of TC and Mahina, leading to a sinister discovery. Kumu volunteers with Rick at a veterans’ crisis call center.
S5 · E20The Big Squeeze 2024-01-03 · 43 min
Magnum and Higgins take a major step forward in their relationship. At the same time, the past comes back to haunt them when a previous suspect becomes their client. TC aims to scale up Island Hoppers. Rick gets a new business partner.