The BEST episodes of NASA's Unexplained Files season 3

Every episode of NASA's Unexplained Files season 3, ranked from best to worst by thousands of votes from fans of the show. The best episodes of NASA's Unexplained Files season 3!

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.

Last Updated: 12/8/2024Network: Science ChannelStatus: Ended
Attack of the Thunderballs
star
8.48
63 votes

#1 - Attack of the Thunderballs

Season 3 - Episode 8 - Aired 4/12/2016

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

Watch Now:AmazonApple TV
Pluto Under Pressure
star
8.01
74 votes

#2 - Pluto Under Pressure

Season 3 - Episode 1 - Aired 2/23/2016

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

Watch Now:AmazonApple TV
Curse of the Red Planet
star
7.72
54 votes

#3 - Curse of the Red Planet

Season 3 - Episode 6 - Aired 3/29/2016

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.

Watch Now:AmazonApple TV
The Moon that Disappeared
star
7.63
65 votes

#4 - The Moon that Disappeared

Season 3 - Episode 5 - Aired 3/22/2016

Recently discovered documents reveal NASA's secret plan B for failure of the first moon landing, a Soyuz capsule carrying astronaut Peggy Whitson back to Earth vanishes without explanation and NASA’s Cassini mission unravels a three hundred year old.

Watch Now:AmazonApple TV
Ghosts on a Comet
star
7.43
72 votes

#5 - Ghosts on a Comet

Season 3 - Episode 4 - Aired 3/15/2016

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.

Watch Now:AmazonApple TV
Rise of the Ice Creatures
star
7.19
75 votes

#6 - Rise of the Ice Creatures

Season 3 - Episode 3 - Aired 3/8/2016

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

Watch Now:AmazonApple TV
Return of the Moon Bugs
star
7.16
45 votes

#7 - Return of the Moon Bugs

Season 3 - Episode 2 - Aired 3/1/2016

Apollo 12 astronauts bring back something alive from the moon and NASA track an asteroid heading towards Earth but make a shocking discovery: it’s not an asteroid, but an object that’s artificial in nature.

Watch Now:AmazonApple TV
Red Storm Rising
star
7.11
27 votes

#8 - Red Storm Rising

Season 3 - Episode 7 - Aired 4/5/2016

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.

Watch Now:AmazonApple TV