7.7
32 votes
NASA's Unexplained Files

NASA's Unexplained Files

Science 2014

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.

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The 10 Best Episodes of NASA's Unexplained Files

NASA's Unexplained Files - S6E2

#1 - Aliens vs. Stalin at Area 51

8.25

Season 6 - Episode 2

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.

The episode was rated #1 Best episode of NASA's Unexplained Files from 28 votes.

NASA's Unexplained Files - S6E4

#2 - Pluto's Evil Twin

8.16

Season 6 - Episode 4

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.

The episode was rated #2 Best episode of NASA's Unexplained Files from 19 votes.

NASA's Unexplained Files - S2E6

#3 - Nazis on the Moon

8.06

Season 2 - Episode 6

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

The episode was rated #3 Best episode of NASA's Unexplained Files from 36 votes.

NASA's Unexplained Files - S6E5

#4 - Aliens in the Amazon

7.95

Season 6 - Episode 5

After Neil Armstrong's moonwalk, he led an expedition into 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.

The episode was rated #4 Best episode of NASA's Unexplained Files from 19 votes.

NASA's Unexplained Files - S2E1

#5 - Life in Hell

7.82

Season 2 - Episode 1

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?

The episode was rated #5 Best episode of NASA's Unexplained Files from 61 votes.

NASA's Unexplained Files - S2E5

#6 - Did We Nuke Jupiter?

7.78

Season 2 - Episode 5

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

The episode was rated #6 Best episode of NASA's Unexplained Files from 37 votes.

NASA's Unexplained Files - S5E7

#7 - The Moons Strange Secret

7.77

Season 5 - Episode 7

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.

The episode was rated #7 Best episode of NASA's Unexplained Files from 13 votes.

NASA's Unexplained Files - S6E1

#8 - Saturn's Moon Monsters

7.75

Season 6 - Episode 1

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.

The episode was rated #8 Best episode of NASA's Unexplained Files from 24 votes.

NASA's Unexplained Files - S3E6

#9 - Curse of the Red Planet

7.74

Season 3 - Episode 6

Three cosmonauts die mysteriously as they re-enter Earth's atmosphere. A declassified document reveals a CIA plan to use a space disaster as a cover to start war and a NASA rover discovers clues that help solve a murder.

The episode was rated #9 Best episode of NASA's Unexplained Files from 35 votes.

NASA's Unexplained Files - S1E6

#10 - Mystery Space Squid

7.71

Season 1 - Episode 6

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? 43 min | TV-PG | Premiered 07/24/2014 U.S. UFO: Capitan Gordon Cooper sends two camera men to the area to set up filming equipment a test site, but they film a UFO landing instead. The Mega Hex: The Voyager Space craft takes photos of Saturn and appears to show a giant Hexagon engulfing the poles. 24 years later the Casini spacecraft takes better pictures that confirm the hexagon is still there. Lunar Lights: Apollo 14 is plagued with technical problems, but they make it safely to the surface on the moon. After developing film taken on the moon show mysterious blue lights. Discovery Déja Vu: 2001 Space Shuttle Discovery external camera seem multiple objects moving independently. The WOW Factor: August 1977 a signal is picked up coming from deep space. Space Squid: December 1968 - Apollo 8 takes photos of the moon, but when developed the film show something with tentacles in space near the moon. Space Angels: Space Shuttle Atlantis films thunderstorms from space. The film shows giant discharges above the clouds, that look like electrified jellyfish. Interstellar Power Stations: Dr. Dick Carrigan is looking at the infrared data collected by observation satellites to find Dyson's Sphere.

The episode was rated #10 Best episode of NASA's Unexplained Files from 28 votes.

NASA's Unexplained Files - S6E7
#11 - Planet of the Metal Aliens
7.69
Season 6 - Episode 7

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

The episode was rated #1 Best episode of NASA's Unexplained Files from 16 votes.

NASA's Unexplained Files - S1E2
#12 - Alien Death Ray
7.65
Season 1 - Episode 2

STS - 115 Triangle: September 20, 2006 - Space Shuttle Atlantis prepares to return home from work assembling the International Space Station, when the shuttle commander spots objects in a triangle formation. Alien X: Astronomers focus on a comet that has a X shape not commonly found in nature Life But Not As We Know It: Saturn's moon Titan has a primitive Earth like surface, but has liquid methane instead of water. Could life develope based on methane? Alien Star Wars: December 1970 - X-rays that can destroy planets are coming from an area without a star, could it be a sign of an alien war with advanced weaponry? Or is there a natural explanation. Aurora Arrow: In 2006 photos taken from the International Space Station show what looks like a space ship parked in the northern lights. Space Eel: A secret shuttle mission sees a snake like object moving across space. Could something live in the environment of space. Moon Pigeons: Apollo 10 photographs something they have dubbed moon pigeons, but their appearance always seems to bring trouble for the mission. Life on Mars: The Viking probe in 1975 looks for life on Mars, the agreed upon results show life. NASA dismisses these results. But new information may indicate the results were correct all along.

The episode was rated #2 Best episode of NASA's Unexplained Files from 40 votes.

NASA's Unexplained Files - S3E1
#13 - Pluto Under Pressure
7.63
Season 3 - Episode 1

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 & an unidentified object in Earth orbit starts stalking Russian spacecraft.

The episode was rated #3 Best episode of NASA's Unexplained Files from 48 votes.

NASA's Unexplained Files - S3E8
#14 - Attack of the Thunderballs
7.63
Season 3 - Episode 8

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

The episode was rated #4 Best episode of NASA's Unexplained Files from 40 votes.

NASA's Unexplained Files - S5E1
#15 - JFK UFO Conspiracy
7.60
Season 5 - Episode 1

A declassified letter written by President Kennedy demands 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.

The episode was rated #5 Best episode of NASA's Unexplained Files from 47 votes.

NASA's Unexplained Files - S2E3
#16 - Hammer of Thor
7.59
Season 2 - Episode 3

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

The episode was rated #6 Best episode of NASA's Unexplained Files from 44 votes.

NASA's Unexplained Files - S1E5
#17 - Ghosts on the Moon
7.58
Season 1 - Episode 5

Could spaceships be powered by atomic bombs? Can artificial rings encircle an entire star? why was Neil Armstrong’s transmission feed cut off when he spotted strange lights on the Moon? And how can lightning talk to itself? 43 min | TV-PG | Premiered 07/20/2014 The Aristarchus Enigma: Apollo 11 astronauts see illumination coming from the Aristarchus Crater. Martian Space Station: Mars moon Phobos may be hollow, that some believe may be a space station. Curiosity's Companions: After Curiosity lands on Mars one of the first things it sees are object apparently leaving the planet. Alien Star Drive: When an X-Ray signature is seen coming from a nearby Galactic Clusters may be an alien's nuclear drive. Intelligent Lighting: Lightning appears to flash in sequence between storms that are far apart. Mir Mystery: Objects buzz the Mir Space Station during the shuttle docking procedure. Many believe something has been trying to sabotage the station. Moon Watcher: Photos taken by the Apollo 17 astronauts seem to show an object apparently watching their activities. Kuiper Belt Intruder: More than 90% of the material that should be in the Kuiper Belt is not there.

The episode was rated #7 Best episode of NASA's Unexplained Files from 31 votes.

NASA's Unexplained Files - S2E4
#18 - Spacewalk of Doom
7.54
Season 2 - Episode 4

How could an astronaut on a spacewalk begin to drown? Have NASA scientists discovered an asteroid that was converted into a spacecraft? What are the strange objects spotted when NASA sends a secret payload into space?

The episode was rated #8 Best episode of NASA's Unexplained Files from 28 votes.

NASA's Unexplained Files - S3E3
#19 - Rise of the Ice Creatures
7.53
Season 3 - Episode 3

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 military outpost on the Moon & could there be alien life swimming in the oceans of Jupiter’s moons?

The episode was rated #9 Best episode of NASA's Unexplained Files from 43 votes.

NASA's Unexplained Files - S2E8
#20 - Revenge of the Fireflies
7.53
Season 2 - Episode 8

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

The episode was rated #10 Best episode of NASA's Unexplained Files from 36 votes.

Last updated: feb 27, 2021

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