4 Episodes
Self
Based on this show
Files of the Unexplained
Drain the Oceans
Blue Planet II
Investigation Alien
One Strange Rock
Nature
Encounters
Top Secret UFO Projects Declassified
America's Book of Secrets
MythBusters
Horizon
Ancient Aliens
When We Left Earth: The NASA Missions
Seconds from Disaster
The Blue Planet
Through the Wormhole
How the Universe Works
30 for 30
Hangar 1: The UFO Files
Secrets of the Dead
Shows like this one
Glitch
Unsolved Mysteries
Sightings
Ekaki
UFO
In Search of Aliens
Ufo - I casi italiani
Aerial Phenomena
The X-Files
UFOs: Investigating the Unknown
The Secret of Skinwalker Ranch
UFOs Declassified
Ummo: La España alienígena
Storming Area 51
UFO Files
Dark Alliance: The Inside Story of the Cosmic Con
Dossiers Surnaturels
The Proof Is Out There: Bermuda Triangle Edition