Including results for alien theories 2020.
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The Global Threat (Full Episode) | UFOs: Investigating the Unknown
42:15
The Global Threat (Full Episode) | UFOs: Investigating the Unknown
6.6M viewsFeb 24, 2024
YouTubeNational Geographic
Top 20 Alien Conspiracy Theories
20:43
Top 20 Alien Conspiracy Theories
92.5K viewsNov 14, 2024
YouTubeWatchMojo.com
2020 Isaac Asimov Memorial Debate: Alien Life
1:30:49
Find in video from 01:05The Search for Alien Life
2020 Isaac Asimov Memorial Debate: Alien Life
273.8K viewsSep 25, 2020
YouTubeAmerican Museum of Natural History
Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Aliens | History
23:20
Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Alien…
271.3K views9 months ago
YouTubeHISTORY
Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1
59:11
Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1
301.5K views2 months ago
YouTubeHISTORY
The Afterlife: Myths vs. Facts | Ancient Aliens | History
21:57
The Afterlife: Myths vs. Facts | Ancient Aliens | History
349.2K views7 months ago
YouTubeHISTORY
Top 30 Biggest Conspiracy Theories of All Time
32:42
Top 30 Biggest Conspiracy Theories of All Time
215K views11 months ago
YouTubeWatchMojo.com
10 Documentaries About Aliens & UFOs on PBS | PBS
Jan 11, 2023
pbs.org
44:25
Experts Reveal What Really Happened (Full Episode) | Area 51…
8.8M viewsJun 23, 2024
YouTubeNational Geographic
23:35
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens …
264.2K views5 months ago
YouTubeHISTORY
8:38
Alien: Earth — Theories That Actually Fit the Timeline
48.9K views5 months ago
YouTubeScreen Rant
4 Mummification Theories with SHOCKING Implications | Ancient …
60.6K viewsFeb 6, 2025
YouTubeHISTORY
1:03
Alien: Romulus | Teaser Trailer
22.1M viewsMar 20, 2024
YouTube20th Century Studios
42:22
Ancient Aliens: Civilization Buried Under Antarctica's Ice?! (S14, E1) …
2.2M viewsAug 8, 2024
YouTubeHISTORY
6:38
Antarctica's Hidden Aliens: What the Government Doesn’t Want You to …
24.8K viewsMay 29, 2024
YouTubeLAB 360
2:16
The Alien Perspective - Official Trailer (2025) Documentary
153K viewsDec 20, 2024
YouTubeIGN Movie Trailers
16:13
Find in video from 00:11The Alien Transmission
All ALIEN Movie Trailers (1979 - 2024)
384.6K viewsMar 22, 2024
YouTubeKinoCheck.com
1:04:21
Top 40 Horror Movie Theories That Turned Out to Be True and 10 Tha…
152.6K views4 months ago
YouTubeWatchMojo.com
2:08
The X-Files Meets Real Life In Trailer For James Fox’s New UFO Docum…
1.2M viewsSep 30, 2024
YouTubeScreen Rant Plus
3:45
Alien Mothership Approaching Earth—Scientist Predicts Date of …
338.1K views6 months ago
YouTubeWION
16:27
Ancient Aliens: Unbelievable Extraterrestrial Encounters in Ant…
550.2K viewsMar 28, 2024
YouTubeHISTORY
20:09
Cosmic Alien Mysteries | Space's Deepest Secrets | Science Channel
11.9K views3 months ago
YouTubeScience Channel
8:16
What If Aliens Are Time Traveling Humans? | Unveiled
79.6K viewsOct 26, 2020
YouTubeUnveiled
3:48
ALIEN: EARTH “Deadly Species” Official Teaser Trailer (2025)
18.9K views9 months ago
YouTubeFilmSelect
57:28
Find in video from 02:30Cultural Heritage of UFO Encounters
Alien Encounters You Won't Believe | Ancient Aliens | History
37.6M viewsDec 15, 2022
YouTubeHISTORY
1:18:48
The UFO Phenomenon | Full Documentary 2021 | 7NEWS Spotli…
16.8M viewsSep 6, 2021
YouTube7 News Spotlight
1:16:35
How Close Are We To Finding Alien Life?
549.5K viewsMar 13, 2024
YouTubeWhat If
5:37
Alien vs Helicopter! Fight Scene - ATTRACTION 2: Invasion (2020)
1.2M viewsSep 18, 2021
YouTubeKinoCheck.com
4:02
Harvard Scientist Says Alien Mothership Is Real | 3I/ATLAS Exp…
30.8K views5 months ago
YouTubeWION
5:54
Unraveling the Alien Autopsy Conspiracy Theory
2.3K viewsAug 19, 2023
YouTubeTWiT Tech Podcast Network
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