HBO Max Amazon Channel
Philo
Discovery+ Amazon Channel
HBO Max
Discovery +
E1The Aleutian Islands
Where to watch
Availability shown for United States · rights vary by countrySeasons & Episodes
E1E2
Palmyra Atoll
E3
Rose Atoll
E4
The Channel Islands
Cast
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The Last Unknown — streaming FAQ
Which OTT platform streams The Last Unknown?
The Last Unknown is streaming on HBO Max, Philo and Discovery+ in United States. It's not currently on Netflix.
Is The Last Unknown on Netflix?
No, The Last Unknown is not on Netflix in United States as of September 2026. It's currently on HBO Max and Philo.
Is The Last Unknown on Amazon Prime Video?
No, The Last Unknown isn't on Amazon Prime Video in United States right now. It's on HBO Max and Philo instead.
Where can I watch The Last Unknown for free?
The Last Unknown is available on HBO Max and Philo in United States, but you'll need an active subscription — there's no free option right now.
How many seasons are in The Last Unknown?
The Last Unknown has 1 season in total (4 episodes). The series concluded in 2021.
Are all episodes of The Last Unknown out yet?
Yes — all 4 episodes across 1 season of The Last Unknown are out and available to stream.
Is there a Season 2 of The Last Unknown?
No — The Last Unknown ended after 1 season, so there is no Season 2.
