Including results for alien theory.
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Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
3:43:03
Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
383.8K views3 months ago
YouTubeHISTORY
The Mystery of Alien Travel Through History | Ancient Aliens
40:21
The Mystery of Alien Travel Through History | Ancient Aliens
861.3K views1 month ago
YouTubeHISTORY
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1.1M views5 months ago
YouTubeHISTORY
The Alien Origins of Human Civilization | Ancient Aliens
35:13
The Alien Origins of Human Civilization | Ancient Aliens
193.4K views3 months ago
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
1 month ago
MSNIsaac Arthur
Inside the Mystery of the Greys | Ancient Aliens
48:49
Inside the Mystery of the Greys | Ancient Aliens
1.5M views3 months ago
YouTubeHISTORY
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
1:30:54
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
688.7K viewsMar 9, 2025
YouTubeNaked Science
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
966.4K views6 months ago
YouTubeHISTORY
42:17
Were We Visited by Aliens Long Ago? Theories and Evidence (S11, E4) | Ancient Aliens | Full Episode
1.4M views9 months ago
YouTubeHISTORY
40:56
Big Alien Theory
89.8K views2 months ago
YouTubeIsaac Arthur
23:35
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens | History
272.5K views8 months ago
YouTubeHISTORY
8:14
UFO Files Explained: What’s Really Inside? ft. Pragati | Jist
72.5K views5 days ago
YouTubeJist
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
7M viewsApr 3, 2025
YouTubeHISTORY
20:43
Top 20 Alien Conspiracy Theories
93.8K viewsNov 14, 2024
YouTubeWatchMojo.com
1:09:50
Unsolved Alien Mysteries: from Alaska's Pyramid to the Freemasons | Ancient Aliens
3.2M views8 months ago
YouTubeHISTORY
24:23
Are the Greys Already Among Us? Alien Hybrids & Robots Revealed | Ancient Aliens | History
688.6K views9 months ago
YouTubeHISTORY
20:27
Humans From the Future | Ancient Aliens | History
1.7M viewsMay 8, 2025
YouTubeHISTORY
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History
9.9M viewsApr 22, 2025
YouTubeHISTORY
23:20
Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Aliens | History
322.6K viewsMay 1, 2025
YouTubeHISTORY
21:57
The Afterlife: Myths vs. Facts | Ancient Aliens | History
411.8K views10 months ago
YouTubeHISTORY
13:20
10 Alien Species Believed to Be Visiting Earth
118.7K views10 months ago
YouTubeWatchMojo.com
8:12
Wild Theories of Alien Bases on the Dark Side of the Moon
420.4K views11 months ago
YouTubeJRE Clips
8:38
Alien: Earth — Theories That Actually Fit the Timeline
49.2K views8 months ago
YouTubeScreenRant
40:57
Interstellar Secrets of Ancient Civilizations | Ancient Aliens | History
7.5M viewsFeb 25, 2025
YouTubeHISTORY
33:04
Outer Space’s Most Baffling Mysteries | Ancient Aliens | History
811.3K viewsMar 4, 2025
YouTubeHISTORY
12:47
Why haven’t we found aliens? A physicist shares the most popular theories. | Brian Cox
2.9M viewsSep 29, 2023
YouTubeBig Think
35:15
The Moon's Mysteries Revealed | Ancient Aliens | History
1.4M viewsApr 8, 2025
YouTubeHISTORY
18:32
Ancient Aliens: The TRUTH Behind the Origins of Life | History
503.1K viewsNov 28, 2024
YouTubeHISTORY
5:49
Powerful Alien Visitors Influence Our DNA (Season 15) | Ancient Aliens | History
43.9K views11 months ago
YouTubeHISTORY
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