More episodes from Season 5

E1 • JFK UFO Conspiracy
President Kennedy demanded that the CIA share their UFO data with NASA.
44m • 2019President Kennedy demanded that the CIA share their UFO data with NASA.

E2 • Curse of the Gas Giant
The Curiosity Rover finds a strange, and perhaps sinister, object on Mars.
44m • 2019The Curiosity Rover finds a strange, and perhaps sinister, object on Mars.

E3 • The Sun's Evil Twin
Two suns photographed in the sky may be a sighting of our sun's evil twin.
44m • 2019Two suns photographed in the sky may be a sighting of our sun's evil twin.

E4 • Secret Aliens
Scientists examine strange octopus DNA to see if it could be alien.
44m • 2019Scientists examine strange octopus DNA to see if it could be alien.

E5 • Stonehenge on Mars
NASA investigates what could have made a Stonehenge-like structure on Mars.
44m • 2019NASA investigates what could have made a Stonehenge-like structure on Mars.

E6 • CIA's Secret Revenge
The CIA plans revenge when the Soviet Union unveils its own space shuttle.
44m • 2019The CIA plans revenge when the Soviet Union unveils its own space shuttle.

E7 • The Moon's Strange Secret
The last humans on the Moon discover something strange on the surface.
44m • 2019The last humans on the Moon discover something strange on the surface.

E8 • Saturn's Death Star
A mysterious object orbiting Saturn looks just like the Death Star.
44m • 2019A mysterious object orbiting Saturn looks just like the Death Star.
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Alien Endgame

How The Universe Works

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The Unxplained With William Shatner

Jack Osbourne's Night Of Terror: Ufos

Apollo: The Forgotten Films

History's Greatest Mysteries

Unexplained and Unexplored

Curse of the Bermuda Triangle

Alien Highway

Curse Of Skinwalker Ranch

The Proof Is Out There

Alien Encounters: Declassified

Dark Mysteries: Unknown Stories

Mysteries Unearthed With Danny Trejo

Ed Stafford: Into The Unknown

The Universe
