NASA's Unexplained Files

A look is taken at exclusive NASA footage and firsthand accounts of mysterious fly objects from astronauts and scientists are presented.

Genre: Documentary

Cast:Christopher Orwoll , Erik Dellums , Bill Birnes , James E. Oberg , Marc D'Antonio , Nick Pope , Seth Shostak , Matt Genge , Amy Shira Teitel , Peter H. Schultz , Leroy Chiao , Stanton Friedman , Kevin R. Grazier , Hakeem Oluseyi , Laurence Garvie , Pascal Lee , Mike Capps , Kevin H. Baines

0Season 1

S1.E0 ∙ International Space Station - 2005-03-28

May 2014

When astronaut Leroy Chao?s high-risk spacewalk is interrupted by bright lights flying past, it sparks a major investigation. Could alien life forms be to blame?

1Season 1

S1.E1 ∙ Pilot

Tue, Mar 27, 2012

Strange flying objects have been caught on NASA's cameras and astronauts have reported seeing UFOs. Some of the odd shapes and lights can be identified; others remain a mystery. We'll reveal NASA footage and interview the astronauts and scientists.

2Season 1

S1.E2 ∙ Shadow Deathstar

Mon, Mar 3, 2014

Astronaut Leroy Chao's spacewalk is interrupted by bright lights flying past. A flying saucer photographed from the Apollo capsule, dark shapes caught on camera shadowing the shuttle...the ideas are science fiction, but the incidents are science fact.

3Season 1

S1.E3 ∙ Alien Death Ray

Thu, Mar 6, 2014

The Viking Lander may have found life on Mars. Meanwhile, how could a Starship be spotted in the Aurora Borealis? And what exactly are NASA?s mysterious Moon Pigeons?

4Season 1

S1.E4 ∙ Black Knight Rises

Tue, Mar 11, 2014

The Hubble Telescope spots thousands of unidentified objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?

5Season 1

S1.E5 ∙ Interstellar Gold Rush

Tue, Mar 18, 2014

A planet shows evidence of an Earth-like atmosphere, while a mysterious glowing light suggests the impossible: an atmosphere on the Moon. Plus, why are there blueberries on Mars?

6Season 1

S1.E6 ∙ Ghosts on the Moon

Sun, Jul 20, 2014

Could spaceships really be powered by atomic bombs? Plus, why was Neil Armstrong's transmission feed cut off when he spotted strange lights on the Moon?

7Season 1

S1.E7 ∙ Mystery Space Squid

Thu, Jul 24, 2014

What could make a NASA astronaut report seeing a flying saucer in the skies above a US Air Force test range? How have the swirling gases of Saturn formed a perfect Hexagon that has hovered above the planet's pole for 30 years?

8Season 1

S1.E8 ∙ U.S. UFO & The Saturn Mega Hex

May 2014

Test pilot Gordon Cooper is preparing to test a radical new landing system in a lakebed when two UFO?s appear. Also, the mystery of Saturn?s mega-hex.

9Season 1

S1.E9 ∙ The Aristarchus Enigma & Martian Space Station

Jun 2014

Could spaceships really be powered by atomic bombs? Plus, why was Neil Armstrong?s transmission feed cut off when he spotted strange lights on the Moon?

1Season 2

S2.E1 ∙ Life in Hell

Wed, Apr 1, 2015

A UFO crashes in Pennsylvania. Was it a secret Soviet satellite -- or something far more dangerous? On Mercury, NASA finds the impossible: frozen water. A strange object causes a skyscraper-sized shadow on the surface of Mars's largest moon. What is it?

2Season 2

S2.E2 ∙ Top Secret Terror

Wed, Mar 4, 2015

Was the Moon landing faked? Images of Mercury reveal massive spider-like formations on its surface. Is it an odd geological formation -- or something much more ominous? A classifed space shuttle mission ends in near-disaster. What was its secret mission?

3Season 2

S2.E3 ∙ Hammer of Thor

Wed, Apr 22, 2015

Are burning lights in the skies above Nevada and Utah signs of a secret space weapons project? What are the mysterious trails on the lunar surface near the Apollo landing sites? Does a strange space object spell disaster for the crew of the space shuttle?

4Season 2

S2.E4 ∙ Spacewalk of Doom

Wed, Apr 29, 2015

An astronaut on a spacewalk begins to drown. How could this terrifying event happen? Have NASA scientists discovered an asteroid that's been converted into a spacecraft? What are the strange objects spotted when NASA sends a top-secret payload into space?

5Season 2

S2.E5 ∙ Did We Nuke Jupiter?

Wed, May 6, 2015

Could NASA really be responsible for a nuclear explosion on Jupiter? Could new evidence finally reveal the truth behind the mystery of the iconic face on Mars? What unknown force crashed a spacecraft from the Apollo program into the lunar surface?

6Season 2

S2.E6 ∙ Nazis on the Moon

Wed, May 13, 2015

A Russian probe discovers something has disturbed the lunar soil before the US or the USSR got there. Did Nazis get there first? Have scientists detected a laser signal from a planet capable of supporting life? Is there really a Bermuda Triangle of Space?

7Season 2

S2.E7 ∙ Lethal Weapons

Wed, May 20, 2015

How did pictures from the Hubble telescope make the comet of the century look like an alien spacecraft? Has earth already been invaded by alien organisms? What mysterious force is smashing a near-earth asteroid to pieces?

8Season 2

S2.E8 ∙ Revenge of the Fireflies

Wed, May 27, 2015

Something in space is attacking the brains of our astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies? Who could be responsible for the bizarre glowing spiral in the skies over Norway?

1Season 3

S3.E1 ∙ Pluto Under Pressure

Tue, Feb 23, 2016

Lost tapes reveal that Apollo astronauts heard unexplained transmissions on the far side of the moon, an amateur astronomer spots a strange disturbance in Martian atmosphere and an unidentified object in Earth orbit starts stalking Russian spacecraft.

2Season 3

S3.E2 ∙ Return of the Moon Bugs

Tue, Mar 1, 2016

Something living is brought back from the moon, and an artificial object is headed towards Earth.

3Season 3

S3.E3 ∙ Rise of the Ice Creatures

Tue, Mar 8, 2016

Neil Armstrong goes into an unexplained spin. He needs to figure out what's causing it, or he faces certain death. An Apollo 17 photo seems to show a US military outpost on the Moon... and could there be alien life swimming in the oceans of Jupiter's moons.

4Season 3

S3.E4 ∙ Ghosts on a Comet

Tue, Mar 15, 2016

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

5Season 3

S3.E5 ∙ The Moon That Disappeared

Tue, Mar 22, 2016

Newly discovered documents reveal NASA's secret plan B for failure of the first moon landing. And NASA's Cassini mission unravels a 300-year-old mystery.

6Season 3

S3.E6 ∙ Curse of the Red Planet

Tue, Mar 29, 2016

Three cosmonauts die mysteriously as they re-enter Earth's atmosphere and NASA needs to know why, a declassified document reveals a CIA plan to use a space disaster as a cover to start World War 3 and a NASA rover discovers clues that help solve a murder.

7Season 3

S3.E7 ∙ Red Storm Rising

Tue, Apr 5, 2016

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

8Season 3

S3.E8 ∙ Attack of the Thunderballs

Tue, Apr 12, 2016

Astronauts are evacuated when a mystery object is discovered hurtling towards the ISS, a NASA secret agent goes undercover to recover missing moon rocks and scientists struggle to find answers when they find a huge void at the edge of the solar system.

9Season 3

S3.E9 ∙ Space's Deadliest Moments

Tue, May 17, 2016

Neil Armstrong faces a life-or-death situation; a NASA space capsule vanishes during reentry; and an astronaut begins to drown during a spacewalk.

10Season 3

S3.E10 ∙ The Moon's Greatest Mystery's

Tue, May 24, 2016

Strange sightings on the moon; possible photographic evidence of a lunar military base; whether the Apollo astronauts brought a living moon creature back with them; and a mysterious material that sabotaged moon missions.

11Season 3

S3.E11 ∙ Space Station of Doom

Tue, May 31, 2016

The International Space Station has interesting encounters while in orbit. Space fireflies and space debris are just some of the problems.

12Season 3

S3.E12 ∙ When the Universe Attacks

Tue, Jun 7, 2016

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.

13Season 3

S3.E13 ∙ Mars's Strangest Secrets

Tue, Jun 14, 2016

Strange sightings on Mars, including possible pillars of fire and signs of life.

14Season 3

S3.E14 ∙ Horror in the Cosmos

Tue, Jun 21, 2016

A strange object causes a massive shadow on the surface of Mars' largest moon; and an oddity on one of Jupiter's moons.

1Season 4

S4.E1 ∙ Pluto's Stranger Things

Tue, Aug 30, 2016

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.

2Season 4

S4.E2 ∙ Rise of the Planet Killer

Tue, Sep 6, 2016

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.

3Season 4

S4.E3 ∙ A President's Close Encounter

Tue, Sep 13, 2016

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.

4Season 4

S4.E4 ∙ The Earth Next Door

Tue, Sep 20, 2016

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.

5Season 4

S4.E5 ∙ Curse of the Full Moon

Tue, Sep 27, 2016

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.

6Season 4

S4.E6 ∙ Did Earth Have Two Moons?

Tue, Oct 4, 2016

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.

7Season 4

S4.E7 ∙ Mystery of the Invisible Planet

Tue, Oct 11, 2016

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.

8Season 4

S4.E8 ∙ Mar's Deepest Secret

Tue, Oct 18, 2016

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.

0Season 5

S5.E0 ∙ Moon Mystery Special

Wed, Apr 5, 2017

The last humans to walk on the Moon discover something strange on the lunar 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.

1Season 5

S5.E1 ∙ JFK UFO Conspiracy

Wed, Apr 12, 2017

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 are shocked to find a rocket crash-landed in a crater on the Moon.

2Season 5

S5.E2 ∙ Curse of the Gas Giant

Wed, Apr 19, 2017

Jupiter is far hotter than it should be, and scientists don't understand why. The Curiosity Rover finds something strange on Mars. Could it be a lost spacecraft, or something far more sinister? Detectives turn to NASA for help with a murder cold case.

3Season 5

S5.E3 ∙ The Sun's Evil Twin

Sat, Jan 6, 2018

Witnesses photograph two suns in the sky over Indonesia - is this the first sighting of the Sun's dark twin that could spell imminent danger to Earth?

4Season 5

S5.E4 ∙ Secret Aliens

Sat, Jan 13, 2018

An astronomer records an unusual radio signal from beyond the solar system. FBI agents find classified documents at the home of a NASA scientist. When scientists discover strange DNA in the octopus, they examine if their origins could be alien.

5Season 5

S5.E5 ∙ Stonehenge on Mars

Wed, May 10, 2017

When NASA spots something on Mars that resembles Stonehenge, they investigate what could have made this strange structure. Scientists discover a mysterious hole in Saturn's rings. An ancient tribe claims contact with alien visitors.

6Season 5

S5.E6 ∙ CIA's Secret Revenge

Sat, Jan 27, 2018

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.

7Season 5

S5.E7 ∙ The Moon's Strange Secret

Sat, Feb 3, 2018

The last humans to walk on the Moon discover something strange on the lunar surface ; a NASA scientist investigates a strange phenomenon responsible for horrific mass deaths.

8Season 5

S5.E8 ∙ Saturn's Death Star

Sat, Feb 10, 2018

A mysterious object orbiting Saturn looks just like the Death Star ; new evidence shed new light on the mysterious death of Yuri Gagarin, the first man in space.

9Season 5

S5.E9 ∙ Rise of the Aliens

Sun, Apr 15, 2018

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19Season 5

S5.E19 ∙ Conspiracy in the Cosmos

Aug 2018

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1Season 6

S6.E1 ∙ Saturn's Moon Monsters

Thu, Apr 11, 2019

When NASA discovers something strange on Saturn's biggest moon, experts investigate if aliens feeding on the electric atmosphere could be the culprit. The disturbing evidence points to a grisly apocalypse if these monsters ever make it to Earth.

2Season 6

S6.E2 ∙ Aliens vs. Stalin at Area 51

Thu, Apr 18, 2019

When a former Area 51 insider alleges that the Roswell UFO incident was a nefarious Soviet conspiracy masterminded by Stalin, experts investigate if it was indeed an enemy plot against America or if the confession is just another cover-up.

3Season 6

S6.E3 ∙ The Black Hole Next Door

Thu, Apr 25, 2019

When astronomers discover a rogue black hole speeding through the Milky Way, they investigate how much danger this cosmic monster poses to Earth, and what would happen if it ever entered our solar system.

4Season 6

S6.E4 ∙ Pluto's Evil Twin

Thu, May 2, 2019

After NASA's New Horizons spacecraft flies by Pluto, it encounters a strange alien world that shuts down the probe's computers, and experts investigate if this mysterious object is an alien spacecraft hiding at the edge of our solar system.

5Season 6

S6.E5 ∙ Aliens in the Amazon

Thu, May 9, 2019

After Neil Armstrong's moonwalk, he led an expedition to the Amazon to find a legendary library that holds all knowledge of an advanced alien civilization. Experts ask if a close encounter on the moon's surface inspired Armstrong's mysterious quest.

6Season 6

S6.E6 ∙ Secrets of the Alien Signals

Thu, May 16, 2019

When NASA begins a strange experiment to communicate with dolphins, experts investigate if it's a prelude to making alien contact. But some fear that such a discovery could have apocalyptic consequences.

7Season 6

S6.E7 ∙ Planet of the Metal Aliens

Thu, May 23, 2019

Experts investigate if a nearby exoplanet could be the home to an alien civilization after a new discovery confirms that life can thrive on such a world.

8Season 6

S6.E8 ∙ Did Aliens Nuke Mars?

Thu, May 30, 2019

A strange discovery by NASA's Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war 300 million years ago - could this be true?