When will be NASA's Unexplained Files next episode air date? Is NASA's Unexplained Files renewed or cancelled? Where to countdown NASA's Unexplained Files air dates? Is NASA's Unexplained Files worth watching?

Countless mysterious objects have been spotted in the sky and many astronauts have reported seeing UFOs. NASA's Unexplained Files reveals groundbreaking footage and interviews from both astronauts and scientists to explore the idea that there could be life outside of our planet.

Genres: Mystery | Interview
Station: Science (US)
Rating: 6/10 from 2 users
Status: Running
Start: 2014-03-02

NASA's Unexplained Files Season 4 Air Dates

S04E01 - Pluto's Stranger Things Air Date: 31 August 2016 02:00 -

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.

S04E02 - Rise of the Planet Killer Air Date: 07 September 2016 02:00 -

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.

S04E03 - A President's Close Encounter Air Date: 14 September 2016 02:00 -

Geysers are discovered on a frozen moon, and NASA redirects a probe on a daring mission to detect evidence of life. An unidentified object is spotted approaching a near-earth asteroid. A future US President is an eyewitness to a UFO.

S04E04 - The Earth Next Door Air Date: 21 September 2016 02:00 -

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.

S04E05 - Curse of the Full Moon Air Date: 28 September 2016 01:00 -

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.

S04E06 - Did Earth Have Two Moons? Air Date: 05 October 2016 01:00 -

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.

S04E07 - Mystery of the Invisible Planet Air Date: 12 October 2016 01:00 -

A probe carrying a message to aliens mysteriously malfunctions as it enters deep space. A NASA mission goes disastrously wrong when an imposter breaches Mission Control. Astronomers find evidence of an invisible planet in a distant solar system.

S04E08 - Mars's Deepest Secret Air Date: 19 October 2016 01:00 -

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.

Next Episode of NASA's Unexplained Files is


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