Including results for documentaries of alien.
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People Who Experienced Aliens (Full Episode) | UFOs: Investigating the Unknown | Nat Geo
44:16
People Who Experienced Aliens (Full Episode) | UFOs: Investigating the Unknown | Nat Geo
1.1M views1 month ago
YouTubeNational Geographic
The Hidden Evidence of Alien Intervention on Earth | Ancient Aliens | Marathon
2:09:26
The Hidden Evidence of Alien Intervention on Earth | Ancient Aliens | Marathon
98.6K views1 month ago
YouTubeHISTORY
Alien Revelations in Our Solar System *Marathon* | Unidentified: Inside America's UFO Investigation
2:05:12
Alien Revelations in Our Solar System *Marathon* | Unidentified: Inside America's UFO Investigation
95.3K views4 months ago
YouTubeHISTORY
Is There Life In the Stars? | Ancient Aliens
25:20
Is There Life In the Stars? | Ancient Aliens
310.6K views3 weeks ago
YouTubeHISTORY
The Evidence For Alien Theories *MARATHON* | Ancient Aliens
2:12:19
The Evidence For Alien Theories *MARATHON* | Ancient Aliens
176.1K views2 months ago
YouTubeHISTORY
Real Alien Encounter Stories That Defy Explanation | The Witnesses | Full 2025 UFO Documentary
1:00:05
Real Alien Encounter Stories That Defy Explanation | The Witnesses | Full 2025 UFO Documentary
3.6K views6 months ago
YouTubeSci-Fi Central
The Mystery of Alien Travel Through History | Ancient Aliens
40:21
The Mystery of Alien Travel Through History | Ancient Aliens
1.4M views6 months ago
YouTubeHISTORY
35:01
Prophecies from Beyond | Ancient Aliens
689.7K views1 month ago
YouTubeHISTORY
2:12:17
The Alien Secrets Hidden in Plain Sight | *MARATHON* | Ancient Aliens
220.2K views2 months ago
YouTubeHISTORY
1:13:43
From Ancient Creation Myths to Labs: How Science is Creating Alien Life | Full Sci-Fi Documentary
3K views4 months ago
YouTubeSci-Fi Central
2:09:28
Could Aliens Unlock Human Potential? *Marathon* | Ancient Aliens
203.6K views4 months ago
YouTubeHISTORY
40:21
The Most Shocking Alien Encounters Ever | Ancient Aliens
1.4M views4 months ago
YouTubeHISTORY
2:06:25
The Mystery Hidden Under Antarctica | Ancient Aliens | Marathon
2.1M views3 months ago
YouTubeHISTORY
24:09
The Truth About Alien Disclosure | Ancient Aliens
397.9K views4 months ago
YouTubeHISTORY
2:12:37
The Search Goes On for Alien Life *Marathon* | The Universe
91.1K views6 months ago
YouTubeHISTORY
33:52
Extraterrestrial Mysteries on the Ocean Floor | Ancient Aliens
1.3M views3 months ago
YouTubeHISTORY
36:57
Frozen Clues to Alien Visitors | Ancient Aliens
509.3K views2 months ago
YouTubeHISTORY
2:06:24
Groundbreaking Hidden Knowledge *Marathon* | Ancient Aliens
247.2K views6 months ago
YouTubeHISTORY
24:51
Do Ancient Stories Reveal Aliens? | Ancient Aliens
275.9K views2 months ago
YouTubeHISTORY
35:47
Craziest Alien UFO Crashes | Ancient Aliens
353.7K views2 months ago
YouTubeHISTORY
41:58
Mysteries of Sacred Mountains | Ancient Aliens
334.9K views5 months ago
YouTubeHISTORY
35:27
Evidence of Strange Human Hybrids Revealed | Ancient Aliens
133.4K views2 months ago
YouTubeHISTORY
1:18:49
Could You Really Live on These Alien Worlds?
71.9K views2 months ago
YouTubeWhat If
38:13
Ancient Egypt’s Connection to Aliens? | Ancient Aliens
292.8K views2 months ago
YouTubeHISTORY
1:48:04
LIFE BEYOND: Visions of Alien Life. Full Documentary Remastered (4K)
6.2M viewsApr 17, 2024
YouTubemelodysheep
2:12:19
Extraterrestrial Signs We’ve Been Visited *2 Hour Marathon* | Ancient Aliens
661.8K views7 months ago
YouTubeHISTORY
1:44:10
MOST SHOCKING ALIEN ENCOUNTERS OF 2025 | The Proof Is Out There
483.6K views10 months ago
YouTubeHISTORY
42:17
Are Aliens Guiding Cosmic Impacts? (S19, E6) | Ancient Aliens | Full Episode
228.1K views6 months ago
YouTubeHISTORY
55:25
Classified UFO Cases Finally Exposed | Alien Documentary | Full Movie | UFO Encounters
33.3K views4 months ago
YouTubeTHE STREAM - Movies and More
1:08:26
Aliens and the New World Order: The Cosmic Conspiracy | Full Documentary
5.9K views6 months ago
YouTubeSci-Fi Central
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