UFO Cover-Up?: Live!
1988
Watchers 4: On the Edge
2012
The Anonymous Interview
2014
Watchers 8: Cloak of Secrecy
2014
UFOs: Above Top Secret
1994
A Space to Call Home
2017
UFO From Earth to the Moon
2016
The Middle: Cascadia Guides
2022
Watchers 3: Fingerprints of the Supernatural
2011
World of the Unknown
1978
Origins Unknown: The Alien Presence on Earth
2021
Koho – Future from Forssa
2022
I padroni del mondo - UFO, militari e pericolo atomico
2008
