Including results for alien theory 2021.
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8:45 p.m. - Saturday, February 21 - Alien Theory: Special Evening of Technologies from Elsewhere
0:44
8:45 p.m. - Saturday, February 21 - Alien Theory: Special Evening of T…
21K viewsFeb 20, 2015
YouTubeRMC DECOUVERTE
Most Bizarre NASA Conspiracy Theories (2021) | Unveiled
8:25
Find in video from 05:31Aliens on the Moon
Most Bizarre NASA Conspiracy Theories (2021) | Unveiled
20.3K viewsNov 13, 2021
YouTubeUnveiled
8:45 p.m. - Saturday, October 18 - Alien Theory: Are we all aliens?
0:45
8:45 p.m. - Saturday, October 18 - Alien Theory: Are we all aliens?
24.1K viewsOct 14, 2014
YouTubeRMC DECOUVERTE
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
955.2K views5 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 eviden…
1 week ago
MSNIsaac Arthur
Why haven’t we found aliens? A physicist shares the most popular theories. | Brian Cox
12:47
Why haven’t we found aliens? A physicist shares the most popula…
2.9M viewsSep 29, 2023
YouTubeBig Think
Big Alien Theory
40:56
Big Alien Theory
100.8K views1 month ago
YouTubeIsaac Arthur
0:42
Find in video from 00:33L'homme, un hybride alien?
20H45 - Samedi 23 Juin - Alien Theory : les visiteurs
23.9K viewsMay 12, 2015
YouTubeRMC DECOUVERTE
0:44
8:45 p.m. - Saturday, October 4 - Alien Theory: The Mystery of the S…
19.9K viewsOct 2, 2014
YouTubeRMC DECOUVERTE
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Alie…
9.5M viewsApr 22, 2025
YouTubeHISTORY
7:33
Mystery of Interstellar Comet 3I/ATLAS | Alien Theory or Natura…
23.8K views5 months ago
YouTubeCNN-News18
3:29
Mystery Object Moving Unusually Towards Earth! | Comet or An Alie…
176.5K views8 months ago
YouTubeWION
23:20
Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Alien…
296.6K views11 months ago
YouTubeHISTORY
1:18:32
The NEW Complete Alien Timeline (1979 - 2025)
112.4K views4 months ago
YouTubeNerdist
20:27
Humans From the Future | Ancient Aliens | History
1.7M views11 months ago
YouTubeHISTORY
1:18:48
PROOF* THAT ALIENS ARE REAL!!! (*my theory) with Neil deGrasse T…
381K views1 month ago
YouTubeHasan Minhaj
33:04
Outer Space’s Most Baffling Mysteries | Ancient Aliens | History
786.1K viewsMar 4, 2025
YouTubeHISTORY
2:05:33
Uncovering the Truth: Giants, Alien Relics & The Human Experiment *…
454.5K views8 months ago
YouTubeHISTORY
8:38
Alien: Earth — Theories That Actually Fit the Timeline
49K views7 months ago
YouTubeScreen Rant
59:11
Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1
376.8K views4 months ago
YouTubeHISTORY
1:18:30
Brian Cox: Why black holes could hold the secret to time and space …
4M views9 months ago
YouTubeBig Think
1:02:43
The Best NEW Science-Fiction Movies (Trailers)
1.9M viewsAug 13, 2021
YouTubeKinoCheck.com
8:09
The Rare Earth Hypothesis: What Makes Our Planet Special? | BBC …
63.7K views8 months ago
YouTubeBBC Earth Science
44:25
Experts Reveal What Really Happened (Full Episode) | Area 51…
9.1M viewsJun 23, 2024
YouTubeNational Geographic
18:31
Ancient Aliens: Inside Area 51's UFO Secrets | History
5.8M viewsMay 9, 2024
YouTubeHISTORY
1:47
Investigation Alien | Official Trailer | Netflix
1.7M viewsOct 11, 2024
YouTubeNetflix
53:05
Encounters with UFOs; Search for ancient life on Mars; James Webb …
3.7M viewsJul 29, 2023
YouTube60 Minutes
4:34
The Pentagon’s Mysterious UFO Program (S21) | Ancient Aliens | Hi…
38K views11 months ago
YouTubeHISTORY
2:06
U.S. Finds No Evidence of Alien Technology in Flying Objects, but …
Apr 28, 2020
NY TimesJulian E. Barnes,Helene Cooper
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