Including results for alien theory.
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The Extraterrestrial Genetic Theory | Ancient Aliens
42:25
The Extraterrestrial Genetic Theory | Ancient Aliens
86.4K views1 month ago
YouTubeHISTORY
Earthen Echoes of Alien Technology | Ancient Aliens
39:53
Earthen Echoes of Alien Technology | Ancient Aliens
292.5K views1 month ago
YouTubeHISTORY
The Truth Behind These Unexplained Phenomena | Ancient Aliens
20:20
The Truth Behind These Unexplained Phenomena | Ancient Aliens
204.1K views3 months ago
YouTubeHISTORY
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
2:12:17
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
529.1K viewsJun 6, 2025
YouTubeHISTORY
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
31:07
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
2 weeks ago
MSNIsaac Arthur
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
31:07
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
2 weeks ago
MSNIsaac Arthur
The most unsettling alien theory
30:26
The most unsettling alien theory
2 weeks ago
MSNIsaac Arthur
40:21
The Mystery of Alien Travel Through History | Ancient Aliens
1.3M views4 months ago
YouTubeHISTORY
22:24
Extraterrestrial Secrets of Mankind's Past | Ancient Aliens
172.8K views2 months ago
YouTubeHISTORY
25:21
Are We Part Alien? | Ancient Aliens
75K views5 months ago
YouTubeHISTORY
30:26
The most unsettling alien theory
2 weeks ago
MSNIsaac Arthur
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
1M views9 months ago
YouTubeHISTORY
40:56
Big Alien Theory
109.8K views6 months ago
YouTubeIsaac Arthur
7:04
Were We Really the First Space Travelers? (S1) | Ancient Aliens
28.1K views2 months ago
YouTubeHISTORY
8:28
Are Humans Actually Aliens? The Shocking Theory Explained (S1) | Ancient Aliens
98.9K views3 months ago
YouTubeHISTORY
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
7.2M viewsApr 3, 2025
YouTubeHISTORY
33:12
Lost Civilizations Beyond History | Ancient Aliens
679.9K views5 months ago
YouTubeHISTORY
37:29
Were the Ancient Gods Actually Aliens? | Ancient Aliens
493.5K views3 months ago
YouTubeHISTORY
26:52
Mysteries That Span Civilizations and Time | Ancient Aliens
440.6K views4 months ago
YouTubeHISTORY
28:46
Close Encounters with Terrifying Aliens | UFO Files
199.4K views4 months ago
YouTubeHISTORY
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