Bigfoot: Man or Beast?
1972
Unknown Powers
1978
Ghost Adventures
2007
Hunting UFOs: Investigating Alien Hotspots
2019
The Hidden Hand: Alien Contact and the Government Cover-up
2013
Ghosts at Sea: Paranormal Shipwrecks and Curses
2014
The Man Who Saw Them Arrive
2026
La Vie du Vieux Palais
—
Invasion on Chestnut Ridge
2017
Unacknowledged
2017
Haunted Travels
—
Quarouble 1954 : L’histoire de Marius Dewilde
2025
Witches: Masters of Time and Space
2022
Visitors at the Door
2018
The UFO's of Soesterberg
2023
Something Unknown Is Doing We Don't Know What
2009
UFO Over the Village of Kljuch
—
La Búsqueda (el documental más humano sobre la vida extraterrestre)
2024
Blackpool, Harden and Grange-over-Sands
1968
Messico: punto di contatto
2009