The season stars Jay Hernandez, Perdita Weeks, Zachary Knighton, and Stephen Hill.

The season primarily received mixed reviews from both critics and viewers and was nominated for two Imagen Awards, one of which was won.

[22] Lenkov later confirmed the announcement and Kimee Balmilero as well as Taylor Wily made guest appearances as their Five-0 characters in episodes one and two of Magnum P.I., respectively.

[26] The project was led by Leverage creator John Rogers with Eva Longoria and her production company, UnbeliEVAble Entertainment.

[26] Universal Television, who owned the rights to the original series, was reported as the production studio.

[29] On February 2, 2018 Deadline Hollywood reported that CBS was looking for a non-white actor to lead the series in an effort to have diverse casts.

[46] It was later announced that Jay Hernandez had been cast as the title character Thomas Magnum, who was portrayed by Tom Selleck in the original series.

[48] Zachary Knighton and Stephen Hill were later cast as Orville "Rick" Wright and Theodore "T.C."

[49][50] Tim Kang and Amy Hill were the last two to be cast in the series as Detective Gordon Katsumoto and Kumu, respectively.

[53][54] Kimee Balmilero, Taylor Wily, and Dennis Chun all appeared as their Five-0 characters in seven, two, and one episodes, respectively.

[56] Domenick Lombardozzi, Ken Jeong, and Christopher Thornton were cast in recurring roles and appeared throughout the season.

[64] Selleck stated in an interview that he would never appear in the series even though he was asked as not to take away from the original Magnum, P.I.

[65] The pilot episode was screened at San Diego Comic Con on July 19, 2018, followed by a question and answer panel with Lenkov, Guggenheim, Hernandez, Weeks, Knighton, and Stephen Hill.

[71] The series premiered on CBS on September 24, 2018, for the 2018–19 United States network television schedule.

[78] The review aggregator website Rotten Tomatoes gives the first season a score of 57% with an average rating of 6.35/10.

may not be quite distinctive enough to hold up to comparisons with its source material, but a charismatic star, slickly staged action, and a handful of modern twists hint at greater potential.

"[83] Deadline Hollywood called the opening scene to the pilot episode "unbelievable" but later said "this new take on Magnum P.I.

It’s a fun action series that will provide entertaining television that has the spirit of the classic but with modern appeal.

[88] The award was lost to Jon Seda for his work on the NBC police procedural Chicago P.D.