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Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.
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Hangar 1: The UFO Files
One Strange Rock
The Manhattan Alien Abduction
Investigation Alien
Our Universe
Top Secret UFO Projects Declassified
Earth at Night in Colour
The Blue Planet
Through the Wormhole
A Real Bug's Life
Superpowered: The DC Story
Planet Earth
MythBusters
Marvel Studios Legends
Planet Earth III
Chimp Empire
How the Universe Works
Secrets of the Penguins
