All
Search
Images
Videos
Shorts
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
50:46
YouTube
HISTORY
Uncovering Alien Conspiracies | The Proof Is Out There
Check out these big government secrets. See more in this The Proof Is Out There compilation. Watch full episodes of The Proof Is Out There, returning Friday, Jun. 13 at 10/9c and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. If you are interested in submitting videos or other content to be ...
174.9K views
7 months ago
Alien Movies
31:30
Ranking Every ALIEN Movie (Original - Alien: Earth)
YouTube
FiveDollarFilms
222.4K views
3 weeks ago
1:05:28
ALIEN Retrospective & Ranking: The History of Sci-Fi's Greatest Horror
YouTube
Matt Draper
58K views
Aug 21, 2024
2:37
Alien: Covenant | Official Trailer [HD] | 20th Century FOX
YouTube
Alien Anthology
32.7M views
Mar 1, 2017
Top videos
1:47
Investigation Alien | Official Trailer | Netflix
YouTube
Netflix
1.7M views
Oct 11, 2024
2:25:14
Alien Agenda: Planet Earth - The Cosmic Conspiracy
YouTube
Extreme Mysteries
1.7M views
Mar 4, 2023
20:43
Top 20 Alien Conspiracy Theories
YouTube
WatchMojo.com
90.8K views
Nov 14, 2024
Famous Alien Characters
19:40
Top 20 Alien Characters of All Time
YouTube
WatchMojo.com
165.6K views
Sep 22, 2020
12:15
The Alien Movie Saga Finally Explained
YouTube
Looper
3.4M views
May 3, 2020
8:16
ALIENS CLIP COMPILATION (1986) Sci-Fi, Sigourney Weaver
YouTube
JoBlo Movie Clips
264.9K views
Feb 27, 2023
1:47
Investigation Alien | Official Trailer | Netflix
1.7M views
Oct 11, 2024
YouTube
Netflix
2:25:14
Find in video from 00:10
Introduction to Alien Agenda
Alien Agenda: Planet Earth - The Cosmic Conspiracy
1.7M views
Mar 4, 2023
YouTube
Extreme Mysteries
20:43
Find in video from 0:00
Introduction to Alien Conspiracies
Top 20 Alien Conspiracy Theories
90.8K views
Nov 14, 2024
YouTube
WatchMojo.com
1:00:03
Unveiling Extraterrestrial Secrets | ALIEN ENIGMAS: UFO'S ON THE
…
87K views
Apr 21, 2024
YouTube
FilmIsNow Movies
1:19:43
Find in video from 03:39
Understanding UFO
Arizona's Secret UFO Files | ALIENS UNCOVERED: ET OR MAN-MADE
…
156.3K views
May 5, 2024
YouTube
FilmIsNow Movies
42:15
The Global Threat (Full Episode) | UFOs: Investigating the Unknown
6.4M views
Feb 24, 2024
YouTube
National Geographic
1:25:43
Alien Conspiracy They Are Here - Alien Reptilian Legacy
38.2K views
Aug 3, 2024
YouTube
Extreme Mysteries
4:02
Harvard Scientist Says Alien Mothership Is Real | 3I/ATLAS Exp
…
30.4K views
4 months ago
YouTube
WION
3:30:10
Find in video from 41:59
Giant UFO in Texas
UFO's: Investigating the Unknown MEGA EPISODE | Secret Program
…
7M views
Oct 5, 2024
YouTube
National Geographic
8:51
TERRIFYINGLY Graphic Witness Account of Alien Abduction | UFO
…
617.7K views
Dec 2, 2023
YouTube
Travel Channel
17:20
Find in video from 00:03
Introduction to Lunar Conspiracies
Ancient Aliens: Exposing Hidden Lunar Conspiracies | History
540.9K views
May 2, 2024
YouTube
HISTORY
2:12:18
UFO Mysteries Will Shock You! *Marathon* | Ancient Aliens | History
612K views
8 months ago
YouTube
HISTORY
1:48:35
Find in video from 00:02
Introduction to Alien Mysteries
Secret Alien Mysteries of Our Moon and Mars
25.5K views
May 11, 2024
YouTube
Extreme Mysteries
18:31
Find in video from 00:02
The 1953 Kingman UFO Crash
Ancient Aliens: Inside Area 51's UFO Secrets | History
5.8M views
May 9, 2024
YouTube
HISTORY
2:16
The Alien Perspective - Official Trailer (2025) Documentary
151.4K views
Dec 20, 2024
YouTube
IGN Movie Trailers
20:52
Top 20 Creepiest Real-Life Alien Abduction Stories
99.1K views
Oct 17, 2024
YouTube
WatchMojo.com
1:01:51
Exposing Government Secrets! | ALIEN AND UFO ENCOUNTERS: T
…
393.1K views
Apr 28, 2024
YouTube
FilmIsNow Movies
19:14
Find in video from 0:00
Introduction to UFO Research
Ancient Aliens: The Government's Secret UFO Knowledge | History
340.5K views
May 16, 2024
YouTube
HISTORY
20:43
Top 20 Alien Conspiracy Theories
5 months ago
MSN
Dailymotion
1:15:13
2025 - Alien A.I. Discovered | The greatest discovery in history… or
…
14K views
1 month ago
YouTube
Cinéma Cinémas
24:17
Conspiratorial Aliens
5 months ago
MSN
Isaac Arthur
16:27
Ancient Aliens: Unbelievable Extraterrestrial Encounters in Ant
…
549.8K views
Mar 28, 2024
YouTube
HISTORY
13:51
The 10 Most Conspiracy-Filled Events in History
72.5K views
5 months ago
YouTube
WatchMojo.com
57:28
Find in video from 02:30
Cultural Heritage of UFO Encounters
10 Alien Encounters You Won't Believe | Ancient Aliens | History
37.2M views
Dec 15, 2022
YouTube
HISTORY
42:12
Find in video from 00:02
Introduction to UFOs
Secret Pentagon Program (Full Episode) | UFOs: Investigating th
…
4.3M views
Apr 9, 2023
YouTube
National Geographic
1:27:40
60 Years of Deception: Inside the US Government's UFO Manipulation P
…
117.1K views
Jun 2, 2024
YouTube
FilmIsNow Movies
2:42
Extraterrestrial (1/3) Terrifying Abduction (2014) HD
154K views
May 6, 2015
YouTube
ScreamFactoryTV
11:24
Find in video from 0:00
Introduction to Aliens
Meet The ‘Alien’ That Believes She Is Sent From Outer Space | This M
…
1.1M views
Jun 17, 2024
YouTube
This Morning
8:48
Find in video from 0:00
Introduction to Alien Conspiracy Theories
The Different Types Of Alien Conspiracy You Should Know Abo
…
12.3K views
Jan 6, 2023
YouTube
Unveiled
See more videos
More like this
Feedback
Feedback