NASA's Unexplained Files Season 5 Episodes

Episode 0

Moon Mystery Special

Wed, Apr 5, 201742 mins

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 1

JFK UFO Conspiracy

Wed, Apr 12, 201742 mins

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

Wed, Apr 19, 201742 mins

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

Sat, Jan 6, 201842 mins

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

Secret Aliens

Sat, Jan 13, 201844 mins

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.

Episode 5

Stonehenge on Mars

Wed, May 10, 201742 mins

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

Sat, Jan 27, 201842 mins

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

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.

Episode 8

Saturn's Death Star

Sat, Feb 10, 201842 mins

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.

Episode 9

Rise of the Aliens

Sun, Apr 15, 2018

Episode 19

Conspiracy in the Cosmos

Wed, Aug 1, 2018