Brazilian Alien Sighting | National Geographic
2:55
Brazilian Alien Sighting | National Geographic
1.7M viewsJul 26, 2012
YouTubeNational Geographic
Alien 'filmed' in America
1:26
Alien 'filmed' in America
1.3M viewsJun 7, 2008
YouTubeOn Demand Entertainment
The Alien Files: UFOs Under Investigation (Full Episode S1|E6)
46:34
The Alien Files: UFOs Under Investigation (Full Episode S1|E6)
653.3K viewsJun 26, 2021
YouTubeExtreme Mysteries
The Alien Files: UFOs Under Investigation (Full Episode S1|E1)
45:59
The Alien Files: UFOs Under Investigation (Full Episode S1|E1)
340.5K viewsJul 27, 2021
YouTubeExtreme Mysteries
What Happens If We’re Contacted By Aliens?
50:48
What Happens If We’re Contacted By Aliens?
16.8M viewsMar 11, 2019
YouTubeSpark
The Alien Files: UFOs Under Investigation (Full Episode S1|E12)
45:02
The Alien Files: UFOs Under Investigation (Full Episode S1|E12)
463.1K viewsJul 4, 2021
YouTubeExtreme Mysteries
Anunnaki | Alien Gods From Nibiru | Full Ancient Aliens Documentary
1:05:37
Anunnaki | Alien Gods From Nibiru | Full Ancient Aliens Documentary
6M viewsMay 27, 2021
YouTubeSci-Fi Central
4:19
Ancient Aliens: Incredible Area 51 Secrets Revealed (Season 15) | Hi…
3M viewsMar 18, 2021
YouTubeHISTORY
48:51
UFOS & ALIENS - The Myth Of Space Travel | SPACETIME - SCIE…
3.5M viewsNov 29, 2019
YouTubeWELT Documentary
1:47
Investigation Alien | Official Trailer | Netflix
1.7M viewsOct 11, 2024
YouTubeNetflix
1:00:07
Aliens Among Us | Full Documentary
562.6K viewsJan 10, 2024
YouTubeMediatime Network
2:05
Encounters | Official Trailer | Netflix
1.4M viewsSep 12, 2023
YouTubeNetflix
1:30:54
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
674K views11 months ago
YouTubeNaked Science
40:03
The Aveley Extraterrestrial Abduction | Documentary
849.2K viewsAug 13, 2023
YouTubeThe Paranormal Scholar
8:35
Ancient Aliens: TRUTH UNCOVERED By UFO Investigatio…
396.4K viewsMar 25, 2023
YouTubeHISTORY
4:06
Ancient Aliens: UFO Cover-Up Inside the U.S. Government (Seas…
565.3K viewsMay 27, 2021
YouTubeHISTORY
1:47:26
Alien and UFO Encounters from Another Dimension (Part 3)
1M viewsJan 21, 2022
YouTubeExtreme Mysteries
18:31
Ancient Aliens: Inside Area 51's UFO Secrets | History
5.8M viewsMay 9, 2024
YouTubeHISTORY
1:03:10
ALIEN CONTACT (Episode 1) - ALIEN AND UFO ENCOUNTERS F…
3.5M viewsFeb 15, 2022
YouTubeExtreme Mysteries
1:01:25
ALIEN - PRESIDENT CONNECTION | Alien Chronicles: Alien UFO Enco…
847.8K viewsAug 13, 2022
YouTubeExtreme Mysteries
5:31
Ancient Aliens: CIA Analyst Discovers UFO Base In Alaska (S1…
615.2K viewsMay 13, 2023
YouTubeHISTORY
48:05
ALIEN CHRONICLES (S1E2) - DOLORES CANNON - ALIEN AND …
4.1M viewsMay 17, 2022
YouTubeExtreme Mysteries
45:56
Groundbreaking & Unexplainable Technology | Ancient Aliens | Hist…
1.7M views7 months ago
YouTubeHISTORY
20:41
Ancient Aliens: 5 SHOCKING Mysteries Beneath Polar Ice
4.1M viewsMar 21, 2024
YouTubeHISTORY
1:04:57
All The Presidents Aliens (Full Documentary)
132.4K viewsJun 20, 2023
YouTubeExtreme Mysteries
2:16
The Alien Perspective - Official Trailer (2025) Documentary
153K viewsDec 20, 2024
YouTubeIGN Movie Trailers
1:01:33
ALIEN CONTACT (Ep 2) - ALIEN AND UFO ENCOUNTERS FROM A…
3M viewsFeb 22, 2022
YouTubeExtreme Mysteries
12:21
Top 10 Best Alien Documentaries
917.1K viewsJan 1, 2020
YouTubeWatchMojo.com
7:24
Ancient Aliens: UFO Evidence Seized by CIA (Season 19) | History
846.6K viewsMay 20, 2023
YouTubeHISTORY
See more videos
Static thumbnail place holder