NASA's Unexplained Files Poster

Episode List


Season 4

30 Aug. 2016
Pluto's Stranger Things
Astronomers find evidence for incredible alien technology around a distant star. The first pictures of Pluto show that something might be moving across its surface. Apollo astronauts see something they can't explain as they approach the moon.
6 Sep. 2016
Rise of the Planet Killer
A mission to Mars captures an image of a strange structure on the Red Planet. Files from the first Apollo mission record an eerie sighting on the dark side of the moon. A planet-eating star gives scientists a glimpse of Earth's terrible demise.
13 Sep. 2016
A President's Close Encounter
NASA Astronaut discusses the 1997 collision of the Progress into the Mir and the life and death struggle that followed. NASA OIG Senior Special Agent uncovers what the Russians are not telling NASA about the collision and the Mir.
20 Sep. 2016
The Earth Next Door
Astronomers detect a potentially habitable planet tantalizingly close to Earth. A chance discovery at NASA reveals a top secret military space program. The Apollo missions bring back evidence that the moon could be rich in the building blocks for life.
27 Sep. 2016
Curse of the Full Moon
Two cosmonauts fight for their lives while trapped inside a capsule in a frozen lake. A NASA scientist investigates the deadly Nazi secret that doomed the Hindenburg. NASA astronomers are spooked when the full moon starts affecting their experiments.
4 Oct. 2016
Did Earth Have Two Moons?
A startling discovery suggests that the hellish clouds of Venus may be the origin of life on Earth. A bizarre sighting 2,000 years ago raises the possibility that the Earth once had two moons. A NASA scientist helps the FBI crack the 1996 Olympic bombing.
11 Oct. 2016
Mystery of the Invisible Planet
A brilliant astronaut and CIA impersonator gains entry to NASA's Mission Control. A NASA OIG Senior Special Agent tracks the impostor down and before taking him into custody he unravels the impostor's incredible story.
18 Oct. 2016
Mar's Deepest Secret
British astronomers working for the CIA intercept Soviet photos of the moon. A malfunction on the ISS could poison its crew with deadly ammonia gas. A startling image taken by a NASA probe points to evidence that life could exist on Mars.

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