Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
3:43:03
YouTubeHISTORY
Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
This marathon explores the most chilling Ancient Aliens theories, from close encounters with extraterrestrial beings to shocking claims that aliens may be connected to the undead and humanity’s darkest mysteries. See more in this Ancient Aliens marathon. Watch new episodes New Episodes Thursdays at 9/8c and stay up to date on all of your ...
383.8K views3 months ago
Alien Theory Episodes
Are the Gods Really Returning? *Marathon* | Ancient Aliens
2:56:25
Are the Gods Really Returning? *Marathon* | Ancient Aliens
YouTubeHISTORY
487.7K views3 months ago
Secrets From Earth’s Earliest Ages *Marathon* | Ancient Aliens
2:12:18
Secrets From Earth’s Earliest Ages *Marathon* | Ancient Aliens
YouTubeHISTORY
253K views2 months ago
Mysteries That Span Civilizations and Time | Ancient Aliens
26:52
Mysteries That Span Civilizations and Time | Ancient Aliens
YouTubeHISTORY
282.8K views2 weeks ago
Top videos
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
YouTubeHISTORY
393.7K views11 months ago
Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens
2:11:22
Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens
YouTubeHISTORY
304K views3 weeks ago
Chilling Evidence of ETs Among Us *Marathon* | Ancient Aliens
2:10:24
Chilling Evidence of ETs Among Us *Marathon* | Ancient Aliens
YouTubeHISTORY
234.8K views1 month ago
Ancient Aliens Documentary
The Mystery of Alien Travel Through History | Ancient Aliens
40:21
The Mystery of Alien Travel Through History | Ancient Aliens
YouTubeHISTORY
861.3K views1 month ago
Inside MUFON’s Search for UFO Truth (S19, E5) | Ancient Aliens | Full Episode
42:17
Inside MUFON’s Search for UFO Truth (S19, E5) | Ancient Aliens | Full Episode
YouTubeHISTORY
103.4K views3 weeks ago
The Civilization That Invented Everything (S6, E3) | Ancient Aliens | Full Episode
44:14
The Civilization That Invented Everything (S6, E3) | Ancient Aliens | Full Episode
YouTubeHISTORY
437K views2 months ago
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 | Maratho…
393.7K views11 months ago
YouTubeHISTORY
Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens
2:11:22
Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens
304K views3 weeks ago
YouTubeHISTORY
Chilling Evidence of ETs Among Us *Marathon* | Ancient Aliens
2:10:24
Chilling Evidence of ETs Among Us *Marathon* | Ancient Aliens
234.8K views1 month ago
YouTubeHISTORY
Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Alie…
9.9M viewsApr 22, 2025
YouTubeHISTORY
Inside the Mystery of the Greys | Ancient Aliens
48:49
Inside the Mystery of the Greys | Ancient Aliens
1.2M views3 months ago
YouTubeHISTORY
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Alien…
7M viewsApr 3, 2025
YouTubeHISTORY
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
966.4K views6 months ago
YouTubeHISTORY
2:12:17
Ancient Aliens: Shocking Mysteries from Beyond *Marathon* | History
318.1K viewsApr 21, 2025
YouTubeHISTORY
42:17
Were We Visited by Aliens Long Ago? Theories and Evidence (S11…
1.4M views9 months ago
YouTubeHISTORY
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1.1M views5 months ago
YouTubeHISTORY
41:19
What NASA Knows About Mars | Ancient Aliens
496.9K views2 months ago
YouTubeHISTORY
33:04
Outer Space’s Most Baffling Mysteries | Ancient Aliens | History
809.2K viewsMar 4, 2025
YouTubeHISTORY
23:20
Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Alien…
320.7K viewsMay 1, 2025
YouTubeHISTORY
35:05
Time Travel Secrets Exposed! | Ancient Aliens | History
2.7M viewsMar 11, 2025
YouTubeHISTORY
35:15
The Moon's Mysteries Revealed | Ancient Aliens | History
1.4M viewsApr 8, 2025
YouTubeHISTORY
2:06:26
Exposing Alien Secrets: From Roswell to Nan Madol *Marathon* …
461.6K views8 months ago
YouTubeHISTORY
1:30:54
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
686.7K viewsMar 9, 2025
YouTubeNaked Science
59:11
Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1
392.8K views5 months ago
YouTubeHISTORY
35:13
The Alien Origins of Human Civilization | Ancient Aliens
187K views3 months ago
YouTubeHISTORY
1:32:21
UFO's Are Real | FULL MOVIE | Aliens Sci-Fi Documentary
459.7K views2 months ago
YouTubeShout! Studios
39:12
The Giant Stone Enigma | Ancient Aliens
552.4K views1 month ago
YouTubeHISTORY
34:15
Biggest Mysteries of Egypt (Part 2) | Ancient Aliens | History
1.4M views10 months ago
YouTubeHISTORY
43:26
Base EXTRATERRESTRE en Alaska : le triangle maudit
397.3K viewsApr 17, 2025
YouTubeDiscovery Channel France
40:57
Interstellar Secrets of Ancient Civilizations | Ancient Aliens | Hist…
7.5M viewsFeb 25, 2025
YouTubeHISTORY
2:12:18
UFO Mysteries Will Shock You! *Marathon* | Ancient Aliens | History
773.6K viewsApr 14, 2025
YouTubeHISTORY
21:08
The Most Mysterious Theories in Mathematics | Ancient Aliens | His…
695.3K viewsMar 6, 2025
YouTubeHISTORY
34:38
Groundbreaking Alien Connections of India | Ancient Aliens | History
908.7K viewsMar 25, 2025
YouTubeHISTORY
14:44
Ancient Aliens: Uncovering the TRUTH of Easter Island | History
157K viewsDec 11, 2024
YouTubeHISTORY
20:43
Top 20 Alien Conspiracy Theories
93.8K viewsNov 14, 2024
YouTubeWatchMojo.com
See more videos
Static thumbnail place holder