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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S01E01 I Saw the Sun Rise
September 24 · 43min find the promo
Show synopsis
A decorated former Navy SEAL who, upon returning home from Afghanistan, repurposes his military skills to become a private investigator in Hawaii.
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S01E02 From the Head Down
October 1 · 43min find the promo
Show synopsis
Magnum helps Dan, a struggling fisherman and fellow veteran, when his 300-pound tuna worth $350,000 is stolen, and he discovers that the thief needs Magnum's help as well.
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S01E03 The Woman Who Never Died
October 8 · 43min find the promo
Show synopsis
Magnum takes a case from fellow private investigator Luther Gillis to find the true identity of a man’s comatose fiancée when he learns that she’s had extensive facial surgery.
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S01E04 Six Paintings, One Frame
October 15 · 43min find the promo
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A close friend of Higgins, an art connoisseur who recently hired Magnum to test his security, is murdered, and Thomas is arrested as the main suspect.
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S01E05 Sudden Death
October 22 · 43min find the promo
Show synopsis
TC asks Magnum to take on a case to help acquit the father of one of his young football players, who is accused of murder.
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S01E06 Death is Only Temporary
October 29 · 43min find the promo
Show synopsis
An aging tycoon asks Magnum to find his lost love who he says just recently contacted him; the only problem is she died 30 years ago. Also, Rick and TC meet a fellow vet who is having a hard time adjusting to civilian life.
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S01E07 The Cat Who Cried Wolf
November 5 · 43min find the promo
Show synopsis
Magnum takes the case of a little girl’s missing cat and, in the process, stumbles upon another cat’s murdered owner who happens to be an FBI agent.
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S01E08 Die He Said
November 12 · 43min find the promo
Show synopsis
A man dying of lymphoma hires Magnum to find his estranged, bone-marrow-compatible brother who turns out to need Magnum’s help as well. Also, Magnum’s case brings back haunted memories for the guys of a past SEAL team mission that went sideways.
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S01E09 The Ties That Bind
November 19 · 43min find the promo
Show synopsis
After a 16-year-old kidnap victim, Amanda, escapes her captors, her parents hire Magnum, who experienced similar trauma as a POW, to find who took her.
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S01E10 Bad Day to be a Hero
December 10 · 43min find the promo
Show synopsis
Magnum must help Rick’s crush, Toni, after her illegal poker game, organized to pay back a mob debt, is robbed by masked gunmen.
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S01E11 Nowhere to Hide
January 14 · 43min find the promo
Show synopsis
As Magnum helps a woman find her missing cousin, Sergei, a Russian fugitive, Higgins' and Kumu's lives are put in danger when they get too close to the case.
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S01E12 Winner Takes All
January 20 · 43min find the promo
Show synopsis
Magnum has an emotional connection to a case when he and every other private investigator and bounty hunter on Oahu are tasked to track down a man accused of murder.
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S01E13 Day of the Viper
January 21 · 43min find the promo
Show synopsis
Magnum and Higgins are shocked when one of her former MI6 teammates shows up with a fresh gunshot wound and news that "the Viper," the assassin who killed Higgins' true love, has surfaced on Oahu. Also, while Magnum's busy helping Higgins track down the Viper, he asks Rick to take over a case, a task that Rick relishes until it goes sideways.
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S01E14 I, The Deceased
January 28 · 43min find the promo
Show synopsis
A man hires Magnum to investigate his own murder before he is killed. Kumu reconnects with an old friend.
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S01E15 Day the Past Came Back
February 18 · 43min find the promo
Show synopsis
Magnum discovers that his ex, who landed him and his friends in a POW camp, is on the island and planing to steal a fortune in gold.
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S01E16 Murder is Never Quiet
February 25 · 43min find the promo
Show synopsis
Magnum is hired by a woman to prove that her son didn't kill his girlfriend and has only 24 hours to do so before the accused accepts a plea deal. Also, Rick and TC try to recover stolen appliances that were donated to a wounded veteran.
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S01E17 Black is the Widow
March 4 · 43min find the promo
Show synopsis
After a man is murdered, Magnum poses as a doctor on the same dating app the victim was using in order to find the killer who may be praying on wealthy men.
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S01E18 A Kiss Before Dying
March 11 · 43min find the promo
Show synopsis
When the Dobermans dig up what appears to be a human bone, Magnum and Higgins help Katsumoto investigate the murder of his former mentor.
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S01E19 Blood in the Water
March 25 · 43min find the promo
Show synopsis
When Magnum and Higgins get “yacht-jacked,” Higgins is shot and she and Magnum are stranded at sea, struggling to reach land before she bleeds out and the culprits return to finish them off.
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S01E20 The Day It All Came Together
April 1 · 43min find the promo
Show synopsis
Hannah, Magnum's ex and the fugitive responsible for him and his SEAL team brothers being POWs for years, shows up at his home with a gunshot wound, and wanting his help to find her missing CIA father whose life is in danger. Also, Magnum makes an earnest proposition to Higgins for her to become his private investigations partner.