Bill Day investigates unknown creatures
Bill Day
Himself
Robert Kiviat
NASA's Unexplained Files
Close Encounters
The Bigfoot Project
Chasing UFOs
Animal ER
Unidentified: Inside America's UFO Investigation
In Search of...
Top Secret UFO Projects Declassified
Ancient Aliens
The X-Files
Encounters
Animal
UFO Europe: The Untold Stories
In Search of Monsters
Destination Truth
History's Greatest Mysteries
Prehistoric Planet
MythBusters
Octonauts
