UFO: Top Secret
1978
World of the Unknown
1978
UFOs: Above Top Secret
1994
Watchers 6: The Secret Cosmic War
2013
Six Days in Roswell
1998
The Universe, UFO: The Real Deal
2011
Are We Alone in the Universe?
1978
Curse of the Man Who Sees UFOs
2016
Australien Skies
2015
The Hidden Hand: Alien Contact and the Government Cover-up
2013
Alien Moon
2019
Watchers 8: Cloak of Secrecy
2014
The Disclosure President
2016
Mimozemšťané
2000
The Middle: Cascadia Guides
2022
Origins Unknown: The Alien Presence on Earth
2021
Aztec 1948: UFO Crash
2005
Alien Chronicles: USOs and Under Water Alien Bases
2022
UFO: The Pleiadian Mission - Billy Meier Case
1998
Aliens at the Pentagon
2018