NASA's Unexplained Files poster
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NASA's Unexplained Files

7.120126 seasonsTV-GTV SeriesDocumentaryTalkMystery

Dive into the mysteries of some of NASA’s most curious missions and explore stories of engineering achievement and human endurance. Each episode offers first hand testimony from astronauts, NASA mission footage, plus beautifully rendered…

Where to watch

HuluHuluHBO Max Amazon ChannelHBO Max Amazon ChannelPhiloPhiloDiscovery+ Amazon ChannelDiscovery+ Amazon ChannelYouTube TVYouTube TVHBO MaxHBO MaxDiscovery +Discovery +
Availability shown for United States · rights vary by country

Seasons & Episodes

E1
Saturn's Moon Monsters
Apr 11, 2019
E2
Aliens vs. Stalin at Area 51
Apr 18, 2019
E3
The Black Hole Next Door
Apr 25, 2019
E4
Pluto's Evil Twin
May 2, 2019
E5
Aliens in the Amazon
May 9, 2019
E6
Secrets of the Alien Signals
May 16, 2019
E7
Planet of the Metal Aliens
May 16, 2019
E8
Did Aliens Nuke Mars?
May 23, 2019

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NASA's Unexplained Files — streaming FAQ

Which OTT platform streams NASA's Unexplained Files?

NASA's Unexplained Files is streaming on Hulu, HBO Max and Philo in United States, and available to rent or buy on Amazon Video and Apple TV Store. It's not currently on Netflix.

Is NASA's Unexplained Files on Netflix?

No, NASA's Unexplained Files is not on Netflix in United States as of August 2026. It's currently on Hulu and HBO Max.

Is NASA's Unexplained Files on Amazon Prime Video?

NASA's Unexplained Files 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 NASA's Unexplained Files for free?

NASA's Unexplained Files is available to stream free (with ads) on Spectrum On Demand and The Roku Channel in United States.

How many seasons does NASA's Unexplained Files have?

NASA's Unexplained Files has 6 seasons so far.

Are all episodes of NASA's Unexplained Files out yet?

The 6 released seasons of NASA's Unexplained Files are complete, but the show is still in production — a new season is expected.

Is there a Season 7 of NASA's Unexplained Files?

A Season 7 of NASA's Unexplained Files hasn't been officially confirmed yet.