Bill Day investigates unknown creatures
Bill Day
Himself
Robert Kiviat
Series · 1977
In Search of...
Series · 2010
Ancient Aliens
Series · 2021
Top Secret UFO Projects Declassified
Series · 2020
History's Greatest Mysteries
Series · 2022
Prehistoric Planet
Series · 2003
MythBusters
Series · 2018
Explained
Animal
Series · 2016
Savage Kingdom
Earth at Night in Colour
Series · 1999
Walking with Dinosaurs
Series · 2017
Mind Field
Series · 2011
Paranormal Witness
Series · 2006
Planet Earth
Series · 2023
Life on Our Planet
Series · 2025
True Haunting
Planet Earth III
Haunted
Series · 2019
The UnXplained
Series · 2013
David Attenborough's Natural Curiosities
Evidence of the Unexplained
Series · 1969
Úsměvné legendy o hradech a zámcích
Series · 2024
Investigation Alien
Series · 1975
Fabulous Animals
Mindgap med Agneta Sjödin
UFO
Encounter: UFO
Beyond: UFOS and the Unknown
Terre de légendes
Expedition Bigfoot
Series · 2007
Destination Truth
Aliens - striden om utomjordingarna
Ummo: La España alienígena
Series · 2014
In Search of Aliens
The Proof Is Out There: Bermuda Triangle Edition
Raël: The Alien Prophet
Series
The X Creatures
America: Facts vs. Fiction
