NASA's Unexplained Files

NASA's Unexplained Files

2014 - 2018, Other, Science
Documentary exploring mysterious objects and events caught on Nasa's cameras.

Episode Guide

  • NASA's Unexplained Files - Episode 11 (Season 5 Episode 11)
    Season 5 Episode 11:

    Episode 11

  • NASA's Unexplained Files - Episode 16 (Season 5 Episode 8)
    Season 5 Episode 8:

    Episode 16

    A mysterious object is orbiting Saturn, and it looks just like the Death Star; new evidence might shed new light on the mysterious death of Yuri Gagarin, the first man in space; when a cutting-edge satellite vanishes, fears of a space war escalate.

  • NASA's Unexplained Files - Episode 15 (Season 5 Episode 7)
    Season 5 Episode 7:

    Episode 15

    The last humans to walk on the Moon discover something strange on the surface; a NASA scientist investigates a strange phenomenon responsible for horrific mass deaths; a landmark NASA mission threatens to destroy the reputation of an American hero.

  • NASA's Unexplained Files - Episode 14 (Season 5 Episode 6)
    Season 5 Episode 6:

    Episode 14

    When the Soviet Union unveils its own space shuttle, the CIA hatches a secret revenge plot; recent discoveries shed new light on the destruction of Sodom and Gomorrah; a missing nuclear weapon could threaten a NASA base in the Arctic.

  • NASA's Unexplained Files - Stonehenge on Mars (Season 5 Episode 5)
    Season 5 Episode 5:

    Stonehenge on Mars

    A NASA probe captures an image of a familiar structure on Mars' surface.

  • NASA's Unexplained Files - Earth's Secret Aliens (Season 5 Episode 4)
    Season 5 Episode 4:

    Earth's Secret Aliens

    Geologists discover alien deposits on Earth.

  • NASA's Unexplained Files - The Sun's Evil Twin (Season 5 Episode 3)
    Season 5 Episode 3:

    The Sun's Evil Twin

    A photograph depicts two suns in the sky over Indonesia; ghostly white swirls on the moon's surface baffle NASA scientists; an astronaut disappears during his return to Earth.

  • NASA's Unexplained Files - Curse of the Gas Giant (Season 5 Episode 2)
    Season 5 Episode 2:

    Curse of the Gas Giant

    Scientists wonder why Jupiter is hotter than it should be; the Curiosity Rover finds something strange on Mars; detectives turn to NASA for help with a murder cold case.

  • NASA's Unexplained Files - JFK UFO Conspiracy (Season 5 Episode 1)
    Season 5 Episode 1:

    JFK UFO Conspiracy

    A declassified letter written by President Kennedy demands that the CIA share its UFO data with NASA; a bizarre pattern on the surface of Mars could be a coded alien message; investigators find a rocket crash-landed in a crater on the Moon.

  • NASA's Unexplained Files - Mars's Deepest Secret (Season 4 Episode 8)
    Season 4 Episode 8:

    Mars's Deepest Secret

    Soviet photos of the moon are intercepted by the CIA; a malfunction aboard the ISS, which imperils the whole crew; NASA probe finds evidence of the possibility of life on Mars.

  • NASA's Unexplained Files - Mystery of the Invisible Planet (Season 4 Episode 7)
    Season 4 Episode 7:

    Mystery of the Invisible Planet

    A probe malfunctions without cause as it enters deep space; a mission goes astray when an imposter breaches Mission Control; evidence of an invisible planet within the Solar System.

  • NASA's Unexplained Files - Did Earth Have Two Moons? (Season 4 Episode 6)
    Season 4 Episode 6:

    Did Earth Have Two Moons?

    A theory of Earth's abiogenesis may have started in the clouds of Venus; a look into the claim of Earth having two moons; a NASA scientist helps the FBI solve the 1996 Olympic bombing.

  • NASA's Unexplained Files - Curse of the Full Moon (Season 4 Episode 5)
    Season 4 Episode 5:

    Curse of the Full Moon

    Cosmonauts are trapped in a capsule in a frozen lake; a NASA scientist investigates the Hindenburg; the full moon affects experiments.

  • NASA's Unexplained Files - The Earth Next Door (Season 4 Episode 4)
    Season 4 Episode 4:

    The Earth Next Door

    Astronomers notice a planet in Earth's vicinity capable of supporting life; top secret military program exposed; the moon contains the components to start life.

  • NASA's Unexplained Files - A President's Close Encounter (Season 4 Episode 3)
    Season 4 Episode 3:

    A President's Close Encounter

    The discovery of geysers on a moon; NASA's mission to detect life; an object is spotted approaching an asteroid.

  • NASA's Unexplained Files - Rise of the Planet Killer (Season 4 Episode 2)
    Season 4 Episode 2:

    Rise of the Planet Killer

    A mars mission captures an image of a strange structure on the planet; an intriguing sight on the dark side of the moon; a planet-eating star gives scientists a peek of Earth's bleak future.

  • NASA's Unexplained Files - Horror in the Cosmos (Season 3 Episode 14)
    Season 3 Episode 14:

    Horror in the Cosmos

    A strange object causes a skyscraper-sized shadow on the surface of Mars's largest moon; something is moving beneath the frozen surface of one of Jupiter's moons.

  • NASA's Unexplained Files - Mars's Strangest Secrets (Season 3 Episode 13)
    Season 3 Episode 13:

    Mars's Strangest Secrets

    Strange sightings on the planet Mars; the Curiosity rover captures an image of what appears to be pillars of fire; an astronomer sees signs of life on Mars.

  • NASA's Unexplained Files - When the Universe Attacks (Season 3 Episode 12)
    Season 3 Episode 12:

    When the Universe Attacks

    In the Bermuda Triangle of Space, a mysterious energy attacks NASA craft in earth's orbit; witnesses report terrifying encounters with eerie spheres of light.

  • NASA's Unexplained Files - Space Station of Doom (Season 3 Episode 11)
    Season 3 Episode 11:

    Space Station of Doom

    The International Space Station makes interesting encounters while in orbit; space fireflies, space debris and other problems.

  • NASA's Unexplained Files - The Moon's Greatest Mysteries (Season 3 Episode 10)
    Season 3 Episode 10:

    The Moon's Greatest Mysteries

    Strange sightings on the moon; the possibility of a military base on the moon; the existence of lunar life forms; a strange substance found during moon missions.

  • NASA's Unexplained Files - Space's Deadliest Moments (Season 3 Episode 9)
    Season 3 Episode 9:

    Space's Deadliest Moments

    Neil Armstrong faces death in space; a capsule carrying an astronaut back to Earth vanishes; an astronaut starts to drown during a spacewalk.

  • NASA's Unexplained Files - Attack of the Thunderballs (Season 3 Episode 8)
    Season 3 Episode 8:

    Attack of the Thunderballs

    Astronauts evacuate when a mystery object hurtles toward the ISS; a NASA secret agent goes undercover to retrieve missing moon rocks; scientists struggle to find answers when they discover a huge void at the edge of the solar system.

  • NASA's Unexplained Files - Red Storm Rising (Season 3 Episode 7)
    Season 3 Episode 7:

    Red Storm Rising

    Two astronauts trapped in the vacuum of space face a horrible death; the first close up images of Pluto show an alien landscape; residents of Houston struggle to explain videos of unidentified flying lights captured above their city at night.

  • NASA's Unexplained Files - Curse of the Red Planet (Season 3 Episode 6)
    Season 3 Episode 6:

    Curse of the Red Planet

    Three cosmonauts mysteriously die as they re-enter Earth's atmosphere and NASA needs to know why; a declassified document shows a CIA plan to use a space disaster as a cover to start World War 3.

  • NASA's Unexplained Files - The Moon that Disappeared (Season 3 Episode 5)
    Season 3 Episode 5:

    The Moon that Disappeared

    Recently discovered documents show NASA's secret plan B for failure of the first moon landing; a Soyuz capsule carrying NASA astronaut Peggy Whitson back to Earth goes missing; NASA's Cassini mission unravels a three hundred year old.

  • NASA's Unexplained Files - Ghosts on a Comet (Season 3 Episode 4)
    Season 3 Episode 4:

    Ghosts on a Comet

    When a Chinese moon rover breaks down, a scientist at NASA points to a mysterious material that seemed to sabotage the Apollo missions decades earlier; the Rosetta spacecraft discovers a comet that appears to be singing.

  • NASA's Unexplained Files - Return of the Moon Bugs (Season 3 Episode 2)
    Season 3 Episode 2:

    Return of the Moon Bugs

    Apollo 12 astronauts bring back something alive from the moon; NASA tracks an asteroid heading towards Earth but make an incredible discovery.

  • NASA's Unexplained Files - Pluto Under Pressure (Season 3 Episode 1)
    Season 3 Episode 1:

    Pluto Under Pressure

    Lost tapes show that Apollo astronauts heard unexplained transmissions on the far side of the moon; an amateur astronomer finds an odd disturbance in Martian atmosphere; an unidentified object in Earth orbit starts stalking Russian spacecraft.

  • NASA's Unexplained Files - First Look (Season 2 Episode 16)
    Season 2 Episode 16:

    First Look

  • NASA's Unexplained Files - Revenge of the Fireflies (Season 2 Episode 8)
    Season 2 Episode 8:

    Revenge of the Fireflies

    Something in space is attacking astronaut's brains; NASA might be worried about the sudden appearance of so-called space fireflies.

  • NASA's Unexplained Files - Lethal Weapons (Season 2 Episode 7)
    Season 2 Episode 7:

    Lethal Weapons

    Looking at how pictures from the Hubble telescope make the comet of the century look like an alien spacecraft; earth may have already been invaded by alien organisms.

  • NASA's Unexplained Files - Nazis on the Moon (Season 2 Episode 6)
    Season 2 Episode 6:

    Nazis on the Moon

    A Russian probe uncovers something has disturbed the lunar soil before the US or the USSR got there; scientists may have detected a laser signal from a planet capable of supporting life.

  • NASA's Unexplained Files - Did We Nuke Jupiter? (Season 2 Episode 5)
    Season 2 Episode 5:

    Did We Nuke Jupiter?

    NASA could be responsible for a nuclear explosion on Jupiter; new evidence could finally reveal the truth behind the mystery of the iconic face on Mars; looking at the unknown force that crashed a spacecraft from the Apollo program.

  • NASA's Unexplained Files - Spacewalk of Doom (Season 2 Episode 4)
    Season 2 Episode 4:

    Spacewalk of Doom

    Examining how an astronaut on a spacewalk begins to drown; NASA scientists may have uncovered an asteroid that's been converted into a spacecraft.

  • NASA's Unexplained Files - Hammer of Thor (Season 2 Episode 3)
    Season 2 Episode 3:

    Hammer of Thor

    Burning lights in the skies above Nevada and Utah could be signs of a secret space weapons project; mysterious trails on the lunar surface near the Apollo landing sites.

  • NASA's Unexplained Files - Top Secret Terror (Season 2 Episode 2)
    Season 2 Episode 2:

    Top Secret Terror

    Images of Mercury show large spider-like formations on its surface; A classifed space shuttle mission almost ends in disaster.

  • NASA's Unexplained Files - Life in Hell (Season 2 Episode 1)
    Season 2 Episode 1:

    Life in Hell

    What was thought to be a secret Soviet satellite could have been a UFO crashing in Pennsylvania; NASA makes an unbelievable discovery, frozen water on Mercury.

  • NASA's Unexplained Files - How have the swirling gases of Saturn formed a perfect Hexagon (Season 1 Episode 6)
    Season 1 Episode 6:

    How have the swirling gases of Saturn formed a perfect Hexagon

    Answers to questions about the power of atomic bombs, artificial rings, Neil Armstrong's transmission on the moon and lightning.

  • NASA's Unexplained Files - US UFO & The Saturn Mega Hex (Season 1 Episode 5)
    Season 1 Episode 5:

    US UFO & The Saturn Mega Hex

    A NASA astronaut reports seeing a flying saucer in the skies above a U.S. Air Force test range; the swirling gases of Saturn form a perfect hexagon that has hovered above the planet's pole for 30 years.

  • NASA's Unexplained Files - Interstellar Gold Rush (Season 1 Episode 4)
    Season 1 Episode 4:

    Interstellar Gold Rush

    A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon; why there are blueberries on Mars.

  • NASA's Unexplained Files - Black Knight Rises (Season 1 Episode 3)
    Season 1 Episode 3:

    Black Knight Rises

    A piece of the sun seems to have vanished; the Hubble spots an unidentified object traveling faster than light.

  • NASA's Unexplained Files - Alien Death Ray (Season 1 Episode 2)
    Season 1 Episode 2:

    Alien Death Ray

    Life may have been found on Mars; mysterious Moon Pigeons.

  • NASA's Unexplained Files - International Space Station - 2005-03-28 (Season 1 Episode 1)
    Season 1 Episode 1:

    International Space Station - 2005-03-28

    An astronauts space walk is disrupted by bright light; a flying saucer is photographed.

  • NASA's Unexplained Files - Cosmic Mystery Special (Episode 52)
    Episode 52:

    Cosmic Mystery Special

    Counting down the most terrifying moments and the strangest and most mysterious phenomena in NASA's history.

  • NASA's Unexplained Files - Astronaut Mystery Special (Episode 51)
    Episode 51:

    Astronaut Mystery Special

    Counting down the most narrow escapes, and the strange, unexplainable and almost deadly phenomena astronauts face.

  • NASA's Unexplained Files - Moon Mystery Special (Episode 50)
    Episode 50:

    Moon Mystery Special

    Our moon has been the home of some of the strangest and most mysterious phenomena in the universe; counting down the moon's most perplexing mysteries.

  • NASA's Unexplained Files - Mars Mystery Special (Episode 49)
    Episode 49:

    Mars Mystery Special

    Mars is the home of some of the strangest and most mysterious phenomena in the universe; counting down the Red Planet's greatest mysteries.

  • NASA's Unexplained Files - Episodio 3 (Episode 17)
    Episode 17:

    Episodio 3