Alien World Beyond Our Solar System - Full Documentary HD
45:49
Alien World Beyond Our Solar System - Full Documentary HD
393.4K views1 Dec 2015
YouTubeAdvexon Science Network
Alien Worlds and More Space Documentaries You Need to Watch on Netflix Right Now
3:21
Alien Worlds and More Space Documentaries You Need to Watch o…
2K views10 months ago
MSNNetflix Junkie
Alien Earth - The Hunt for Alien Life - Space Documentary
46:05
Alien Earth - The Hunt for Alien Life - Space Documentary
818 views25 Dec 2020
YouTubeUFO Matrix
Ancient Aliens: NASA’s Untold Extraterrestrial Encounter (Season 4) | History
5:14
Ancient Aliens: NASA’s Untold Extraterrestrial Encounter (Season 4…
1.8M views28 Oct 2021
YouTubeHISTORY
Alien life on Earth | Outsiders | VPRO Documentary
14:00
Alien life on Earth | Outsiders | VPRO Documentary
239.5K views14 Feb 2021
YouTubevpro documentary
Alien Worlds: The Search for Earth 2.0 | Space Documentary
50:48
Alien Worlds: The Search for Earth 2.0 | Space Documentary
67.9K views20 Apr 2023
YouTubeNow Next
Why Aliens Are OBSESSED with Earth | Full Documentary
1:19:42
Why Aliens Are OBSESSED with Earth | Full Documentary
6.7K views9 months ago
YouTubeAbsolute Sci-Fi
46:29
Aliens On Earth - (HD) New Documentary 2014
229.9K views19 Dec 2013
YouTubeMind Blow
9:34
Aliens on the Moon: NASA's Best Kept Secret
42.1K views10 Mar 2023
YouTubeExtreme Mysteries
50:15
Universe: Beyond the Millennium - Alien Life
1.1M views21 Mar 2014
YouTubeNaked Science
0:31
Alien: Earth Official "Crate" Teaser Trailer (2025) Sydney Chandler, Alex …
685.7K views11 months ago
YouTubeIGN
3:48
ALIEN: EARTH “Deadly Species” Official Teaser Trailer (2025)
18.9K views11 months ago
YouTubeFilmSelect
12:21
Top 10 Best Alien Documentaries
917.2K views1 Jan 2020
YouTubeWatchMojo.com
1:48:04
LIFE BEYOND: Visions of Alien Life. Full Documentary Remastered (4K)
5.9M views17 Apr 2024
YouTubemelodysheep
1:21:06
Why Can't We See Evidence of Alien Life? | Documentary
1.9M views16 Apr 2023
YouTubeSpace Matters
1:12:47
DISCOVERING the most SUITABLE Alien Planet for Extraterrestrial Life | …
46.3K views7 May 2023
YouTubeWondody | The World of Odysseys
1:31:08
Deadly Alien Worlds Beyond Earth - A Journey to Mysterious Exoplanets | S…
66.5K views3 months ago
YouTubeWUFO - Science Documentaries
3:36
Are We REALLY Alone In Our Universe? | First Contact: An Alien En…
7.4K views7 Jan 2023
YouTubeBBC Earth Science
6:46
Ancient Aliens: Extraterrestrials Planted Life on Earth?! (Season 20) | …
95.7K views23 Mar 2024
YouTubeHISTORY
53:03
World War A - When Aliens Attack | Alone in the Universe or Under Threat?
928.6K views29 Aug 2022
YouTubeGet.factual
1:57:53
THE BEAST WITHIN: THE MAKING OF ALIEN
303.5K views9 May 2017
YouTubeXENO HUB
10 Documentaries About Aliens & UFOs on PBS | PBS
11 Jan 2023
pbs.org
1:34:25
Alien Earths - The Search for Alien Planets - Space Documentary
15.4K views4 Mar 2023
YouTubeLive Love Laugh
16:29
TOP 4 INSANE ALIEN ENCOUNTERS | The Proof Is Out There | History
2.9M views20 Aug 2022
YouTubeHISTORY
4:57
Antarctica's Secret Alien Cover-Up | Ancient Aliens | History
3.7M views24 Nov 2022
YouTubeHISTORY
1:01:23
Alien Colony Earth - Human Harvest (Full Documentary)
32.4K views30 Jun 2023
YouTubeExtreme Mysteries
4:08
BLUE ALIEN ORB CRASH-LANDS ON EARTH | The Proof is Out There (Sea…
375.8K views12 Oct 2021
YouTubeHISTORY
1:33:41
National Geographic | When Aliens Attack (2011) | Full Documentary
56.8K views24 Jun 2023
YouTubeburritomensch
1:30:54
Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
684.7K views9 Mar 2025
YouTubeNaked Science
See more videos
Static thumbnail place holder