NASA's Unexplained Files Season 5 Episodes

Find out where to watch Season 5 of NASA's Unexplained Files tonight
Overview TV Listings Seasons & Episodes

Season 5 Episode Guide

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 are shocked to find a rocket crash-landed in a crater on the Moon.
Episode 2 - Curse of the Gas Giant

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.
Episode 3 - The Sun's Evil Twin

Two suns are photographed in the sky over Indonesia. Is it a trick of the light, or the first sighting of our Sun's evil twin? NASA scientists are baffled by ghostly white swirls on the Moon's surface. An astronaut disappears during his return to Earth.
Episode 4 - Earth's Secret Aliens

An astronomer records an unusual radio signal from beyond our 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.
Episode 5 - Stonehenge on Mars

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.
Episode 6 - CIA's Secret Revenge

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.
Episode 7 - The Moon's Strange Secret

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.
Episode 8 - Saturn's Death Star

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 cuting-edge satellite vanishes, fears of a space war escalate.


More movies and TV shows at the American TV Listings Guide..

-

In order to keep our service free we display advertising and may earn affiliate fees for purchases you make on external sites that we partner with.
All content is © 2025 On TV Tonight unless pertaining to advertisers, companies, studios, movies and TV series listed on this site.