Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.
Investigation Alien
Ancient Aliens
The Manhattan Alien Abduction
Hangar 1: The UFO Files
History's Greatest Mysteries
Earth at Night in Colour
The Blue Planet
Through the Wormhole
Superpowered: The DC Story
Chimp Empire
Our Universe
Top Secret UFO Projects Declassified
