Top 10 Best Alien Documentaries
12:21
Top 10 Best Alien Documentaries
916.9K viewsJan 1, 2020
YouTubeWatchMojo.com
Aliens and the Secret Code | Ancient Aliens (S3, E13) | Full Episode
44:14
Aliens and the Secret Code | Ancient Aliens (S3, E13) | Full Episode
82.7K views4 days ago
YouTubeHISTORY
Uncovering Earth’s Most Sacred UFO Mysteries *Marathon* | Ancient Aliens
2:06:08
Uncovering Earth’s Most Sacred UFO Mysteries *Marathon* | Ancie…
94.9K views1 week ago
YouTubeHISTORY
Alien Worlds Season 1 | Official Trailer | Netflix
1:23
Alien Worlds Season 1 | Official Trailer | Netflix
2.8M viewsNov 14, 2020
YouTubeNetflix
The Alien Perspective - Official Trailer (2025) Documentary
2:16
The Alien Perspective - Official Trailer (2025) Documentary
151.4K viewsDec 20, 2024
YouTubeIGN Movie Trailers
The Best Arizona UFO Encounters | The Proof Is Out There
21:52
The Best Arizona UFO Encounters | The Proof Is Out There
50.7K views5 days ago
YouTubeHISTORY
10 Alien Encounters You Won't Believe | Ancient Aliens | History
57:28
10 Alien Encounters You Won't Believe | Ancient Aliens | History
37.2M viewsDec 15, 2022
YouTubeHISTORY
18:31
Ancient Aliens: Inside Area 51's UFO Secrets | History
5.8M viewsMay 9, 2024
YouTubeHISTORY
43:43
Secrets of the UFOs | Full Documentary | 7NEWS Spotlight
4.5M viewsDec 9, 2021
YouTube7 News Spotlight
56:36
Insane UFO Encounters (Full Documentary) | Top 20 UFO Case…
3.4M viewsOct 9, 2021
YouTubeExtreme Mysteries
45:59
The Alien Files: UFOs Under Investigation (Full Episode S1|E1)
340.4K viewsJul 27, 2021
YouTubeExtreme Mysteries
44:23
The Universe: UFOs Caught Visiting Earth (S6, E6) | Full Episode
5.7M viewsNov 11, 2022
YouTubeHISTORY
19:37
Ancient Aliens: TOP 3 DEEP SEA UFO MYSTERIES | History
2M viewsJun 15, 2023
YouTubeHISTORY
8:42
A Terrifying Discovery in the Dark (S2) | Mysteries Unearthed with Da…
310.5K views1 week ago
YouTubeHISTORY
46:33
The Alien Files: UFOs Under Investigation (Full Episode S1|E10)
1.2M viewsJul 2, 2021
YouTubeExtreme Mysteries
44:13
UFO Legends of the Old West (S3, E1) | Ancient Aliens | Full Episode
86.8K views2 weeks ago
YouTubeHISTORY
1:00
The search for life out there begins right here, in some of Earth’s mos…
57.8K views1 week ago
FacebookNASA - National Aeronautics and Space Admini…
46:34
The Alien Files: UFOs Under Investigation (Full Episode S1|E4)
1.1M viewsJun 24, 2021
YouTubeExtreme Mysteries
46:34
The Alien Files: UFOs Under Investigation (Full Episode S1|E9)
786.5K viewsJul 1, 2021
YouTubeExtreme Mysteries
44:22
Inside the Universe’s Danger Zones (S1, E12) | The Universe | Full Epis…
25.7K views5 days ago
YouTubeHISTORY
1:01:51
Exposing Government Secrets! | ALIEN AND UFO ENCOUNTERS: T…
393.5K viewsApr 28, 2024
YouTubeFilmIsNow Movies
2:47:31
Unseen UFO Evidence Will Shock You *3 Hour Marathon* | In Searc…
18.3M viewsAug 20, 2023
YouTubeHISTORY
3:21
Alien Worlds and More Space Documentaries You Need to Watc…
2K views5 months ago
MSNNetflix Junkie
45:03
The Alien Files: UFOs Under Investigation (Full Episode S1|E13)
260.4K viewsJul 5, 2021
YouTubeExtreme Mysteries
17:20
Ancient Aliens: Exposing Hidden Lunar Conspiracies | History
540.5K viewsMay 2, 2024
YouTubeHISTORY
42:13
Giant UFO in Texas (Full Episode) | UFOs: Investigating the Unknown
5.2M viewsJun 9, 2023
YouTubeNational Geographic
45:02
The Alien Files: UFOs Under Investigation (Full Episode S1|E12)
463K viewsJul 4, 2021
YouTubeExtreme Mysteries
5:37
The Floating Light No One Can Explain (S4) | The Proof Is Out There
16.1K views4 days ago
YouTubeHISTORY
20:41
Ancient Aliens: 5 SHOCKING Mysteries Beneath Polar Ice | Hist…
4.2M viewsMar 21, 2024
YouTubeHISTORY
See more videos
Static thumbnail place holder