Discovery Channel Alien Safari | National Geographic Nova space Documentary 2017
47:17
Discovery Channel Alien Safari | National Geographic Nova space …
11.6K viewsAug 31, 2017
YouTubeTeam Ingenious
The Alien Perspective - Official Trailer (2025) Documentary
2:16
The Alien Perspective - Official Trailer (2025) Documentary
150.7K views11 months ago
YouTubeIGN Movie Trailers
Science Documentary - Weird Alien Worlds Beyond Our Solar System National Geographic
45:49
Science Documentary - Weird Alien Worlds Beyond Our Solar System …
14.8K viewsJan 16, 2016
YouTubeMyron Mckinnon
The Truth About Aliens & UFOS (Extra-Terrestrial Documentary) | Absolute Documentaries
1:17:58
The Truth About Aliens & UFOS (Extra-Terrestrial Documentary) | …
2.8M viewsOct 6, 2021
YouTubeAbsolute Documentaries
Alien Earths National Geographic Space documentary 2021 #alienplanet #exoplanet #kepler
1:08:15
Alien Earths National Geographic Space documentary 2021 #alienpl…
5.1K viewsNov 11, 2021
YouTubeSpace and science documentaries
National Geographic | When Aliens Attack (2011) | Full Documentary
1:33:41
National Geographic | When Aliens Attack (2011) | Full Documentary
49.4K viewsJun 24, 2023
YouTubeburritomensch
Alien Artifacts - The Outer Dimensions (Full Documentary)
1:05:08
Alien Artifacts - The Outer Dimensions (Full Documentary)
235K viewsJun 17, 2023
YouTubeExtreme Mysteries
1:13
Secret Pentagon Program Clip | UFOs: Investigating the Unknown …
86.9K viewsJan 11, 2023
YouTubeNational Geographic
5:14
Ancient Aliens: NASA’s Untold Extraterrestrial Encounter (Seaso…
1.8M viewsOct 28, 2021
YouTubeHISTORY
2:40
The Science of Alien Sightings | StarTalk
219.1K viewsJan 6, 2017
YouTubeNational Geographic
1:40
Alien Invasion | The Legend of Mick Dodge
399.9K viewsJan 31, 2014
YouTubeNational Geographic
1:46
One Strange Rock - Trailer | National Geographic
1.3M viewsMar 2, 2018
YouTubeNational Geographic
14:25
Journey Into Space 🪐 | Spaced Out FULL Compilation | Nat Geo Kids …
618.4K viewsMay 26, 2023
YouTubeNat Geo Kids
57:28
10 Alien Encounters You Won't Believe | Ancient Aliens | History
37M viewsDec 15, 2022
YouTubeHISTORY
12:21
Top 10 Best Alien Documentaries
916.9K viewsJan 1, 2020
YouTubeWatchMojo.com
1:05
Hundreds of Witnesses Come Forth | UFOs: Investigating The Unknow…
83.9K viewsMay 16, 2023
YouTubeNational Geographic UK
1:20:10
Alien Contact And The Government Cover-up | Absolute Documentaries
469.8K viewsJan 12, 2023
YouTubeAbsolute Documentaries
0:31
UFOs: Investigating the Unknown Season Two | Official Trailer | Nati…
75K views11 months ago
YouTubeNational Geographic
1:20
Secrets of the Octopus | Official Trailer | National Geographic
186.9K viewsFeb 8, 2024
YouTubeNational Geographic
3:30:10
UFO's: Investigating the Unknown MEGA EPISODE | Secret Program…
6.9M viewsOct 5, 2024
YouTubeNational Geographic
3:19
Ancient Aliens: HIDDEN ALIEN CODE IN DNA UNCOVERED (Seas…
970.2K viewsFeb 25, 2020
YouTubeHISTORY
53:03
World War A - When Aliens Attack | Full Science Documentary
915.5K viewsAug 29, 2022
YouTubeGet.factual
42:12
Secret Pentagon Program (Full Episode) | UFOs: Investigating th…
4.4M viewsApr 9, 2023
YouTubeNational Geographic
44:23
The Universe: UFOs Caught Visiting Earth (S6, E6) | Full Episode | Hist…
5.8M viewsNov 11, 2022
YouTubeHISTORY
4:06
Ancient Aliens: UFO Cover-Up Inside the U.S. Government (Seas…
565.1K viewsMay 27, 2021
YouTubeHISTORY
1:48:46
Strangest UFO Sightings & Incidents... 90-Minutes Special!
435.2K viewsMar 25, 2023
YouTubeUAMN TV
3:54
Ancient Aliens: A Pyramid in Antarctica (Season 11, Episode 1) …
2.4M viewsNov 14, 2018
YouTubeHISTORY
47:22
Oceans (Full Episode) | Hostile Planet
9.8M viewsFeb 26, 2022
YouTubeNational Geographic
46:00
THE UNEXPLAINED - HAUNTINGS - Discovery Paranormal Supernatur…
382.4K viewsMar 18, 2015
YouTubeStrangeAndParanormalDocumentaries
1:40
Mysterious Missile Malfunction | UFOs: Investigating The Unknow…
73.4K viewsMay 9, 2023
YouTubeNational Geographic UK
See more videos
Static thumbnail place holder