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
One Strange Rock
The Americas
History's Greatest Mysteries
Hangar 1: The UFO Files
Through the Wormhole
Earth at Night in Colour
The Blue Planet
Our Universe
Superpowered: The DC Story
