The Global Threat (Full Episode) | UFOs: Investigating the Unknown
42:15
The Global Threat (Full Episode) | UFOs: Investigating the Unknown
7.1M viewsFeb 24, 2024
YouTubeNational Geographic
The Universe: EXPLORING VIOLENT ALIEN WORLDS *3 Hour Marathon* | History
2:56:34
The Universe: EXPLORING VIOLENT ALIEN WORLDS *3 Hour Marathon* | History
5.4M viewsSep 17, 2023
YouTubeHISTORY
The Universe: Explore the Alien Worlds of Outer Space *3 Hour Marathon* | History
2:56:33
The Universe: Explore the Alien Worlds of Outer Space *3 Hour Marathon* | History
5.4M viewsOct 15, 2023
YouTubeHISTORY
How Close Are We To Finding Alien Life?
1:16:35
How Close Are We To Finding Alien Life?
561.9K viewsMar 13, 2024
YouTubeWhat If
Ancient Aliens: Evidence of Life in Outer Space | History
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
413K viewsJul 25, 2024
YouTubeHISTORY
Do These Ancient Sites Prove Alien Contact? | Ancient Aliens
39:36
Do These Ancient Sites Prove Alien Contact? | Ancient Aliens
297.5K views1 day ago
YouTubeHISTORY
The First Alien Civilization We Find Might Be Living on a Starship | Space Documentary
1:48:43
The First Alien Civilization We Find Might Be Living on a Starship | Space Documentary
1 day ago
YouTubeCelestial Stuff
4:27
Beyond Earth: The Future of Space, Mars & Alien Life | Full Documentary | Pratiik Docs (4K)
1 day ago
YouTubePratiik Docs
57:28
Alien Encounters You Won't Believe | Ancient Aliens | History
38.6M viewsDec 15, 2022
YouTubeHISTORY
24:58
Top 20 Alien Documentaries You HAVE to See
67.1K viewsMar 11, 2025
YouTubeWatchMojo.com
8:08
What Makes Our Planet Special? | BBC Earth Science | BBC Studios
14.6K views5 days ago
YouTubeBBC Studios
5:53
Project Blue Beam Conspiracy - The Government's Ploy To Control World Population
14 views6 hours ago
YouTubeLAB 360
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History
10.5M viewsApr 22, 2025
YouTubeHISTORY
1:23
Alien Worlds Season 1 | Official Trailer | Netflix
2.8M viewsNov 14, 2020
YouTubeNetflix
1:13:59
One Hour Of Mind-Blowing Space Mysteries | Full Series | BBC Earth Science
2.3M viewsJul 30, 2023
YouTubeBBC Earth Science
2:16
The Alien Perspective - Official Trailer (2025) Documentary
156.5K viewsDec 20, 2024
YouTubeIGN Movie Trailers
47:23
Alien (Featuring Will Smith) | Full Episode | One Strange Rock
6.2M viewsJun 24, 2021
YouTubeNational Geographic
47:24
Birth of Planet Earth ft. Will Smith (Full Episode) | One Strange Rock | National Geographic
693.7K views9 months ago
YouTubeNational Geographic
1:44
ALIEN: Earth Official Trailer 2 (2025)
140.9K viewsJul 17, 2025
YouTubeKinoCheck.com
21:08
Did a Missionary Meet Alien Visitors? | Close Encounters 205
20K views2 days ago
YouTubeSpaceRip
31:06
Planet Nine: The World We Cannot Find
8 hours ago
YouTubeNym The Alien
41:12
क्या Alien Life इन Ocean Worlds पर रहती है? | Earth May NOT Be the Best Planet for Life…
14 views2 days ago
YouTubedocumentry library
44:23
The Universe: UFOs Caught Visiting Earth (S6, E6) | Full Episode | History
6.1M viewsNov 11, 2022
YouTubeHISTORY
2:05:55
2+ Hours Of Exploring Our Fascinating Universe | Full Series | BBC Earth Science
1.5M viewsOct 9, 2023
YouTubeBBC Earth Science
1:28:12
Why Haven’t We Found Alien Life Yet? Maybe We’re Looking Too Early
1 views9 hours ago
YouTubeHow the Universe Works
17:51
Something is Sending Alien Probes to Earth
273 views4 days ago
YouTubeMyIndia
35:55
Aliens in Nibiru: The Story of the Original Planet X
527.6K viewsFeb 26, 2023
YouTubeExtreme Mysteries
1:14:22
Alien Moon (Full Documentary)
175K viewsJun 22, 2023
YouTubeExtreme Mysteries
15:52
Ancient Aliens: UFO Technology Found on Earth | History
2.5M viewsOct 3, 2023
YouTubeHISTORY
4:40
Ancient Aliens: UFOs Spotted in Antarctica (Special) | History
5.4M viewsNov 21, 2023
YouTubeHISTORY
See more
Static thumbnail place holder