Including results for alien origin documentaries.
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Earthen Echoes of Alien Technology | Ancient Aliens
39:53
Earthen Echoes of Alien Technology | Ancient Aliens
192.7K views2 weeks ago
YouTubeHISTORY
Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
3:43:03
Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
913K views5 months ago
YouTubeHISTORY
The Mystery of Alien Travel Through History | Ancient Aliens
40:21
The Mystery of Alien Travel Through History | Ancient Aliens
1.3M views3 months ago
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The Most Shocking Alien Encounters Ever | Ancient Aliens
40:21
The Most Shocking Alien Encounters Ever | Ancient Aliens
938.7K views1 month ago
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The Alien Origins of Human Civilization | Ancient Aliens
35:13
The Alien Origins of Human Civilization | Ancient Aliens
203.6K views5 months ago
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Uncovering Earth’s Most Sacred UFO Mysteries *Marathon* | Ancient Aliens
2:06:08
Uncovering Earth’s Most Sacred UFO Mysteries *Marathon* | Ancient Aliens
251.7K views7 months ago
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The Global Patterns Nobody Can Explain | Ancient Aliens | Marathon
2:09:27
The Global Patterns Nobody Can Explain | Ancient Aliens | Marathon
172K views1 month ago
YouTubeHISTORY
2:06:25
The Mystery Hidden Under Antarctica | Ancient Aliens | Marathon
278K views3 weeks ago
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2:11:22
Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens
684.3K views3 months ago
YouTubeHISTORY
2:12:19
Extraterrestrial Signs We’ve Been Visited *2 Hour Marathon* | Ancient Aliens
548.7K views4 months ago
YouTubeHISTORY
27:15
UFO Mysteries That Defy Explanation | Unidentified: Inside America's UFO Investigation
416.5K views2 months ago
YouTubeHISTORY
2:07:00
Mysteries Beyond Earth and Time *Marathon* | Ancient Aliens | History
313.4K views8 months ago
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24:09
The Truth About Alien Disclosure | Ancient Aliens
390.6K views2 months ago
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42:17
Are Aliens Guiding Cosmic Impacts? (S19, E6) | Ancient Aliens | Full Episode
223.1K views4 months ago
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25:57
Were Ancient Catastrophes Alien Made? | Ancient Aliens
175.3K views1 month ago
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29:52
Warnings From Beyond Earth | Ancient Aliens
109.7K views1 month ago
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7:04
Were We Really the First Space Travelers? (S1) | Ancient Aliens
28.1K views1 month ago
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2:06:24
The Ancient Sites That Shouldn't Exist | Ancient Aliens | Compilation
134.3K views4 weeks ago
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18:23
Unexplained Phenomena Across the American West | Ancient Aliens
221K views3 months ago
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37:29
Were the Ancient Gods Actually Aliens? | Ancient Aliens
450.8K views2 months ago
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44:43
Sacred & Inexplicable Places | Ancient Aliens
236.3K views3 weeks ago
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28:37
The Evidence Says Yes | Ancient Aliens
168.7K views4 months ago
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26:52
Mysteries That Span Civilizations and Time | Ancient Aliens
414.9K views2 months ago
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1:09:50
Unsolved Alien Mysteries: from Alaska's Pyramid to the Freemasons | Ancient Aliens
3.4M views10 months ago
YouTubeHISTORY
2:05:52
SHOCKING UFO MYSTERIES OF 2025 | Ancient Aliens *Full Episode Marathon*
988.1K views7 months ago
YouTubeHISTORY
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1.3M views7 months ago
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32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
1M views8 months ago
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2:06:24
Alien Evolution, Hidden Worlds & Deep Sea Secrets *Marathon* | Ancient Aliens | History
668.4K views10 months ago
YouTubeHISTORY
1:01:28
Ancient Mysteries | Ancient Aliens: Origin of Humanity | Full Sci-Fi Documentary | Free Movie
8.4K views8 months ago
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