Magnum PI Season 4 cast updates Jay Hernandez leads the rebooted version as Thomas Magnum, a former Navy SEAL who works as a security consultant for successful novelist Robin Masters.

Magnum P.I. Season 4: Episode Guide & Ratings. 2018 TV Series "He'll have you at aloha." Series Details Seasons Where to Watch Cast & Crew News. Watch 'Magnum P.I.' Season 4 Online.

Magnum P.I. has had a wild ride on the small screen since its premiere back in 2018, and not even because it's a reboot of the Tom Selleck original. Originally airing on CBS, the Jay Hernandez-led ...

Airing Fridays at 9 p.m. on CBS, “Magnum P.I.” Season 4 averaged 0.7 rating among adults in the key adults 18-49 demographic and 7.2 million total viewers, according to Nielsen’s Live + 7 data.

NBC has ordered two seasons of “Magnum P.I.” following the drama’s cancellation at CBS in May after a four-season run. The broadcaster has ordered 20 new episodes of “Magnum P.I.,” which ...

The first half of Magnum P.I.'s fifth season is one episode away from ending, and the penultimate episode on April 16 set up what is bound to be a game-changing spring finale.It was so eventful ...

Per TV Line, Magnum P.I. season 4 brought in an average of 7.3 million viewers on CBS, which is down slightly from season 3's 7.5 million, ...