Expedition Unknown: Hunt for Extraterrestrials poster
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Expedition Unknown: Hunt for Extraterrestrials

7.920171 seasonTV SeriesDocumentary

Josh Gates sets off on the most extraordinary expedition of his career. He'll journey over 50,000 miles to four continents to tackle mankind's greatest question: Are we alone in the universe?

Where to watch

PhiloPhiloDiscovery+ Amazon ChannelDiscovery+ Amazon ChannelYouTube TVYouTube TVDiscovery +Discovery +
Availability shown for United States · rights vary by country

Seasons & Episodes

E1
Close Encounters
Oct 4, 2017
E2
Ancient Visitors
Oct 11, 2017
E3
UFOs Over England
Oct 18, 2017
E4
Roswell Revealed
Oct 25, 2017

Cast

JGJosh Gates
Josh Gates
Himself - Host

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See all fromJosh Gates

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Expedition Unknown: Hunt for Extraterrestrials — streaming FAQ

Which OTT platform streams Expedition Unknown: Hunt for Extraterrestrials?

Expedition Unknown: Hunt for Extraterrestrials is streaming on Philo, Discovery+ and YouTube TV in United States, and available to rent or buy on Amazon Video and Google Play Movies. It's not currently on Netflix.

Is Expedition Unknown: Hunt for Extraterrestrials on Netflix?

No, Expedition Unknown: Hunt for Extraterrestrials is not on Netflix in United States as of November 2026. It's currently on Philo and Discovery+.

Is Expedition Unknown: Hunt for Extraterrestrials on Amazon Prime Video?

Expedition Unknown: Hunt for Extraterrestrials isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch Expedition Unknown: Hunt for Extraterrestrials for free?

Expedition Unknown: Hunt for Extraterrestrials is available on Philo and Discovery+ in United States, but you'll need an active subscription — there's no free option right now.

How many seasons are in Expedition Unknown: Hunt for Extraterrestrials?

Expedition Unknown: Hunt for Extraterrestrials has 1 season in total (4 episodes). The series concluded in 2017.

Are all episodes of Expedition Unknown: Hunt for Extraterrestrials out yet?

Yes — all 4 episodes across 1 season of Expedition Unknown: Hunt for Extraterrestrials are out and available to stream.

Is there a Season 2 of Expedition Unknown: Hunt for Extraterrestrials?

No — Expedition Unknown: Hunt for Extraterrestrials ended after 1 season, so there is no Season 2.