Magnum P.I.
Magnum P.I. streams in the US free with ads on The Roku Channel, as of October 5, 2026.
He'll have you at aloha.
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.
Where to watch
9 apps, one package.
This title is not on an app included with Spectrum, but Spectrum Stream TV Signature includes HBO Max, the Disney+ and Hulu bundle, Peacock, Paramount+ and more. Spectrum Internet is required and sold separately.
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The Roku Channel
Amazon Video
Apple TV Store
Google Play Movies
Fandango At Home
