NASA's Unexplained Files
2012
Close Encounters
2014
Unidentified: Inside America's UFO Investigation
2019
UFO Europe: The Untold Stories
2012
Encounters
2023
Chasing UFOs
2012
UFO
1999
UFOs Declassified
2015
Hangar 1: The UFO Files
2015
Top Secret UFO Projects Declassified
2021
In Search of Aliens
2014
The Secret of Skinwalker Ranch
2020
Encounter: UFO
2021
Investigation Alien
2024
UFO
2021
Beyond: UFOS and the Unknown
2024
Evidence of the Unexplained
2023
Raël: The Alien Prophet
2024
Les portes du futur
1991
Ummo: La España alienígena
2022