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
531.8K views2 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
393.7K views10 months ago
YouTubeHISTORY
Big Alien Theory
40:56
Big Alien Theory
82.2K views1 month ago
YouTubeIsaac Arthur
Were We Visited by Aliens Long Ago? Theories and Evidence (S11, E4) | Ancient Aliens | Full Episode
42:17
Were We Visited by Aliens Long Ago? Theories and Evidence (S11, E4) | Ancient Aliens | Full Episode
1.4M views8 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 week ago
MSNIsaac Arthur
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
919.3K views5 months ago
YouTubeHISTORY
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
1:30:54
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
672.7K viewsMar 9, 2025
YouTubeNaked Science
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
6.8M viewsApr 3, 2025
YouTubeHISTORY
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1M views4 months ago
YouTubeHISTORY
33:12
Lost Civilizations Beyond History | Ancient Aliens
512.5K views1 month ago
YouTubeHISTORY
41:19
What NASA Knows About Mars | Ancient Aliens
456.5K views1 month ago
YouTubeHISTORY
35:30
What Are They Hiding? Alien Genetics & Skull Mysteries | Ancient Aliens | History
311.7K views6 months ago
YouTubeHISTORY
20:43
Top 20 Alien Conspiracy Theories
93.6K viewsNov 14, 2024
YouTubeWatchMojo.com
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History
9M views1 year ago
YouTubeHISTORY
1:09:50
Unsolved Alien Mysteries: from Alaska's Pyramid to the Freemasons | Ancient Aliens
3M views7 months ago
YouTubeHISTORY
48:49
Inside the Mystery of the Greys | Ancient Aliens
1M views2 months ago
YouTubeHISTORY
59:11
Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1
376.8K views4 months ago
YouTubeHISTORY
21:57
The Afterlife: Myths vs. Facts | Ancient Aliens | History
373.9K views9 months ago
YouTubeHISTORY
21:52
Odin’s Otherworldly Origins | Ancient Aliens
188K views1 month ago
YouTubeHISTORY
25:31
UFOs at Nuclear Sites? | Ancient Aliens
184.9K views1 month ago
YouTubeHISTORY
25:54
California’s Cosmic Connection | Ancient Aliens
220.1K views1 month ago
YouTubeHISTORY
19:40
When Myth Meets the Cosmos | Ancient Aliens
71.9K views3 months ago
YouTubeHISTORY
8:38
Alien: Earth — Theories That Actually Fit the Timeline
49.1K views7 months ago
YouTubeScreenRant
35:15
The Moon's Mysteries Revealed | Ancient Aliens | History
1.4M viewsApr 8, 2025
YouTubeHISTORY
20:27
Humans From the Future | Ancient Aliens | History
1.7M views11 months ago
YouTubeHISTORY
23:20
Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Aliens | History
311.3K views11 months ago
YouTubeHISTORY
23:35
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens | History
270.2K views8 months ago
YouTubeHISTORY
18:32
Ancient Aliens: The TRUTH Behind the Origins of Life | History
502.1K viewsNov 28, 2024
YouTubeHISTORY
5:49
Powerful Alien Visitors Influence Our DNA (Season 15) | Ancient Aliens | History
43.9K views10 months ago
YouTubeHISTORY
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