Black is the Widow is the seventeenth episode of the first season in the 2018 remake of Magnum P.I. which was aired on March 4, 2019.
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.
- When Katsumoto handcuffs Cleo to the car, her hand is not locked in the cuff, it is open around her wrist.
- Dennis Chun makes a crossover appearance as HPD Sergeant Duke Lukela from Hawaii Five-0 (2010).
- Jay Hernandez as Thomas Magnum
- Perdita Weeks as Juliet Higgins
- Zachary Knighton as Orville "Rick" Wright
- Stephen Hill as Theodore "T.C." Calvin
- Tim Kang as Detective Gordon Katsumoto
- Amy Hill as Teuila Tuileta
- Brooke Lyons as Abby Miller
- David Bell as Manu Saluni
- Christian Yelich as Himself
- Gia Mantegna as Karen McDowell
- Jonathan Goldstein as Roland McDowell
- Jenny Wade as Cleo Jennings
- Brandon Karrer as Davis Sadler
- Danielle C. Ryan as Blair Newman
- Camille Claire as Kesha Harman
- Ehiku Kaono as Jesse Sanders
- Kendall Carroll as Melissa Conroy
- Roxy Otm as Kai
- Nicholas Yee as CSU Tech
- Lei Kaniaupio as Dr. Lily Okana
- Dennis Chun as HPD Sergeant Duke Lukela
- Ka'olu Holt as Player #1
- Sean Yamaguchi as Player #2
- Aukai Kea as Player #3
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