Unsealed: Alien Files poster
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Unsealed: Alien Files

6.920124 seasonsTV-PGTV SeriesDocumentaryReality

In 2011, a vault of government files were released to the public by the Freedom of Information Act. Among these, the Blue Planet Project, containing thousands of reports on UFO sightings and alien activity...these were the files they…

WriterKevin Lowe

Where to watch

Now TVNow TVHistoryPlay Amazon ChannelHistoryPlay Amazon Channel55PlexPlexPluto TVPluto TV
Availability shown for United Kingdom · rights vary by country

Seasons & Episodes

E1
Second Skin
Apr 24, 2015
E2
The 1952 Wave
Apr 24, 2015
E3
The Freedom of Information Act
May 1, 2015
E4
The Space Force
May 1, 2015
E5
The Shoot Down Order
May 8, 2015
E6
Seeing Is Believing
May 8, 2015
E7
Inside UFOs
May 15, 2015
E8
Unwelcome Visitors
May 22, 2015
E9
Alien Journeys
May 29, 2015
E10
Finding Aliens
Jun 5, 2015
E11
UFOs Photos
Aug 1, 2015
E12
UFOs From Earth
Aug 1, 2015
E13
Summer of Saucers
Aug 1, 2015
E14
Police Sightings
Aug 1, 2015
E15
Space Shuttle Encounters
Aug 1, 2015
E16
Mass Sightings
Sep 1, 2015
E17
Mars, the Final Frontier
Sep 1, 2015
E18
Alien Communications
Dec 1, 2015
E19
Artificial Alien Intelligence
Dec 1, 2015
E20
First Contact
Dec 1, 2015

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Unsealed: Alien Files — streaming FAQ

Which OTT platform streams Unsealed: Alien Files?

Unsealed: Alien Files is streaming on Now TV, HistoryPlay and 5 in United Kingdom. It's not currently on Netflix.

Is Unsealed: Alien Files on Netflix?

No, Unsealed: Alien Files is not on Netflix in United Kingdom as of August 2026. It's currently on Now TV and HistoryPlay.

Is Unsealed: Alien Files on Amazon Prime Video?

No, Unsealed: Alien Files isn't on Amazon Prime Video in United Kingdom right now. It's on Now TV and HistoryPlay instead.

Where can I watch Unsealed: Alien Files for free?

Unsealed: Alien Files is available to stream free (with ads) on 5 and Plex in United Kingdom.

How many seasons are in Unsealed: Alien Files?

Unsealed: Alien Files has 4 seasons in total (82 episodes). The series concluded in 2015.

Are all episodes of Unsealed: Alien Files out yet?

Yes — all 82 episodes across 4 seasons of Unsealed: Alien Files are out and available to stream.

Is there a Season 5 of Unsealed: Alien Files?

No — Unsealed: Alien Files ended after 4 seasons, so there is no Season 5.