Original air date: 10/29/2018 Runtime: 43:20 min. An aging tycoon, Henry Brown (Ben Vereen), 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.
Original air date: 11/12/2018 Runtime: 40:29 min. 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.
Original air date: 01/21/2019 Runtime: 43:47 min. 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.
Original air date: 02/25/2019 Runtime: 43:07 min. 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.
Original air date: 04/01/2019 Runtime: 42:57 min. Hannah (guest star Jordana Brewster), 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.
Runtime: 3:59 min. Magnum P.I. is back. Special Ops veteran, charming rogue and at home behind the wheel of a Ferrari, Thomas Magnum takes jobs no one else will, with the help of fellow vets T.C. Calvin and Rick Wright. Higgins is back too; but now it's Ms. Higgins, a former MI6 agent. Based on the Emmy-winning 1980s series.