NASA's Unexplained Files

The BEST seasons of NASA's Unexplained Files

Every season ever - ranked by fan votes!

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: 4/25/2022Network: Science Channel
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Season 2
star
7.50
2 votes

#1 - Season 2

First Aired 3/3/2015

Season 4
star
7.00
1 votes

#2 - Season 4

First Aired 8/31/2016

Season 3
star
6.50
2 votes

#3 - Season 3

First Aired 2/24/2016

Season 1
star
6.00
3 votes

#4 - Season 1

First Aired 3/3/2014