Thomas Magnum, a decorated former Navy SEAL, returns home from Afghanistan and applies his military skills to become a private investigator in Hawaii taking jobs no one else will—with the help of fellow vets T.C. Calvin and Rick Wright, and former MI:6 agent, Juliet Higgins.
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see all options Availability data: JustWatch
- Seasons
- 5
- Episodes aired
- 96
- Latest aired
- S05E19
- Total runtime
- 2d 20h
Timeline when each season aired
- Season 1 September 2018 – April 2019 20 episodes
- Season 2 September 2019 – May 2020 20 episodes
- Season 3 December 2020 – May 2021 16 episodes
- Season 4 October 2021 – May 2022 20 episodes
- Season 5 February 2023 – January 2024 20 episodes
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S03E01 Double Jeopardy
December 4 · 43min find the promo
Show synopsis
Magnum and Higgins’ new clients hire them to find their missing brother last seen on the island, leading to Higgins being shot and TC abducted when a secret case of revenge is revealed during the investigation. Also, Higgins (and Magnum!) are surprised when her surgeon asks her out.
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S03E02 Easy Money
December 11 · 43min find the promo
Show synopsis
Higgins job to repo a plane goes south when she and Magnum discover that it was being used by a drug cartel who opens fire at the plane, forcing them to crash land in the jungle, where they find a stowaway on board with a target on his back. Also, Higgins has her first date with Dr. Ethan Shah.
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S03E03 No Way Out
December 18 · 43min find the promo
Show synopsis
As Magnum, Higgins and TC try to pull one over on a customs agent to get Higgins a green card, armed gunmen suddenly storm the federal building and start taking hostages.
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S03E04 First the Beatdown, Then the Blowback
January 8 · 43min find the promo
Show synopsis
Magnum and Higgins help an up-and-coming mixed martial arts fighter who is being pressured by a gang to throw an illegal fight. Also, Kumu is arrested for stealing an artifact from a collector that should be returned to its original resting place.
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S03E05 The Day Danger Walked In
January 15 · 43min find the promo
Show synopsis
As a major hurricane hits the Island, Magnum and his friends find shelter inside La Mariana, along with two armed killers also escaping the dangerous storm. Also, Rick must confess to TC that he let the insurance lapse on the bar.
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S03E06 Tell No One
January 22 · 43min find the promo
Show synopsis
When a wealthy man hires Magnum and Higgins to find his missing wife, they are stunned when a tragedy occurs as a result of their investigation. Also, Kumu's suspicion of her step-daughter's boyfriend creates a divide with her and Kumu's new relationship.
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S03E07 Killer on the Midnight Watch
February 5 · 43min find the promo
Show synopsis
When an overenthusiastic neighborhood watch group asks Magnum and Higgins to investigate a shady character living on their block, they are shocked to find that they may have inadvertently stumbled upon a serial killer on the loose. Also, Jin’s new money laundering business leads him to want to help a new friend.
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S03E08 Someone to Watch Over Me
February 12 · 43min find the promo
Show synopsis
When a young man in need of immediate emergency surgery goes missing with a bullet lodged in his chest, Ethan asks Magnum and Higgins to find him before it’s too late. Also, TC talks to a military recruit who may be enlisting for the wrong reasons.
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S03E09 The Big Payback
February 19 · 43min find the promo
Show synopsis
When Higgins is abducted, Magnum discovers its retaliation related to one of his first cases on the Island, and he, Rick and TC must break out an ex-client from prison in order to save her.
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S03E10 The Long Way Home
March 5 · 43min find the promo
Show synopsis
When an Army ranger goes missing after returning from deployment, Magnum learns of the traumatic news he received upon arriving home and must find him before survivor’s guilt consumes him. Also, Higgins and Ethan solve the case of a missing engagement ring while on a mini-break, and Katsumoto tries spending quality time with his teenage son.
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S03E11 The Lies We Tell
March 26 · 43min find the promo
Show synopsis
When a married woman asks Magnum and Higgins to find her lover’s killer because she doesn’t want to expose the affair to the police, they find that the victim wasn’t who he claimed to be. Also, Rick visits Icepick, whose health has taken a turn for the worse.
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S03E12 Dark Harvest
April 2 · 43min find the promo
Show synopsis
When a Marine Corps vet’s SUV is stolen with her service dog inside, Magnum and Higgins must find the car, the dog and the car thief who they believe may be an escaped kidnapping victim. Also, when TC is sued by a disgruntled customer, he asks Rick and Jin to help prove that he’s being scammed.
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S03E13 Cry Murder
April 9 · 43min find the promo
Show synopsis
As Magnum and Higgins work a case to recover valuable stolen truffles, they also must care for a baby left abandoned at the gates of their estate, while Kumu tries to locate the infant’s mother.
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S03E14 Whispers of Death
April 16 · 43min find the promo
Show synopsis
A psychic hires Magnum and Higgins to prevent a murder she claims to have foreseen. Also, Katsumoto questions Kumu when her information is found on recovered stolen jewels that once belonged to the infamous Imelda Marcos, and Higgins struggles with whether or not to tell Ethan the truth about her past.
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S03E15 Before the Fall
April 30 · 43min find the promo
Show synopsis
Magnum’s Uncle Bernardo visits and reveals a shocking secret about Thomas’ mother. Also, TC asks Higgins for help when he realizes he may have witnessed a potential murder from his helicopter, Higgins decides it’s time to tell Ethan the truth about her past and TC offers Shammy the opportunity to become a pilot.
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S03E16 Bloodline
May 7 · 43min find the promo
Show synopsis
Magnum and Higgins work a stalking case involving a man with a past in espionage. Also, Ethan asks Higgins to join him on an extended trip for Doctors Without Borders just as Magnum starts to open up to other possibilities.