Secrets of Mars and Ancient Visitors *Marathon* | Ancient Aliens
2:12:18
YouTubeHISTORY
Secrets of Mars and Ancient Visitors *Marathon* | Ancient Aliens
Dive into a nonstop marathon of extraterrestrial mysteries with episodes exploring alleged alien breeders, the hidden secrets of the Red Planet, and mysterious mountains believed to hold connections to ancient visitors from beyond Earth. Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule ...
186.1K views3 weeks ago
Alien Movies
The NEW Complete Alien Timeline (1979 - 2025)
1:18:32
The NEW Complete Alien Timeline (1979 - 2025)
YouTubeNerdist
166.8K views6 months ago
DISCLOSURE DAY Final Trailer (2026) Alien Invasion Sci-Fi Action Movie
2:56
DISCLOSURE DAY Final Trailer (2026) Alien Invasion Sci-Fi Action Movie
YouTubeMovieGasm‍․com
777.8K views2 weeks ago
THE BEST NEW MONSTER & ALIEN MOVIES 2025 - 2026 (Trailers)
42:25
THE BEST NEW MONSTER & ALIEN MOVIES 2025 - 2026 (Trailers)
YouTubeKinoCheck.com
254.1K views10 months ago
Top videos
UFOs Beneath the Ocean & More Mysteries of the Deep (S19, E19) | Ancient Aliens | Full Episode
42:17
UFOs Beneath the Ocean & More Mysteries of the Deep (S19, E19) | Ancient Aliens | Full Episode
YouTubeHISTORY
71.2K views4 weeks ago
Inside MUFON’s Search for UFO Truth (S19, E5) | Ancient Aliens | Full Episode
42:17
Inside MUFON’s Search for UFO Truth (S19, E5) | Ancient Aliens | Full Episode
YouTubeHISTORY
138.2K views1 month ago
Are UFO Hotspots Portals to Other Dimensions? (S19, E1) | Ancient Aliens | Full Episode
42:17
Are UFO Hotspots Portals to Other Dimensions? (S19, E1) | Ancient Aliens | Full Episode
YouTubeHISTORY
59.3K views2 months ago
Famous Alien Characters
Top 20 Alien Characters of All Time
19:40
Top 20 Alien Characters of All Time
YouTubeWatchMojo.com
166.2K viewsSep 22, 2020
Alien Characters Size Comparison | Smallest to Largest #animation #characterintroduction
1:02
Alien Characters Size Comparison | Smallest to Largest #animation #characterintroduction
YouTube3D GIANT
15.9K views2 months ago
Alien Characters Size Comparison | Smallest to Largest (Animated Universe)
2:13
Alien Characters Size Comparison | Smallest to Largest (Animated Universe)
YouTube3D GIANT
15.3K views2 months ago
UFOs Beneath the Ocean & More Mysteries of the Deep (S19, E19) | Ancient Aliens | Full Episode
42:17
UFOs Beneath the Ocean & More Mysteries of the Deep (S19, E19) | Ancient Aliens | Full Episode
71.2K views4 weeks ago
YouTubeHISTORY
Inside MUFON’s Search for UFO Truth (S19, E5) | Ancient Aliens | Full Episode
42:17
Inside MUFON’s Search for UFO Truth (S19, E5) | Ancient Aliens | Full Episode
138.2K views1 month ago
YouTubeHISTORY
Are UFO Hotspots Portals to Other Dimensions? (S19, E1) | Ancient Aliens | Full Episode
42:17
Are UFO Hotspots Portals to Other Dimensions? (S19, E1) | Ancient Aliens | Full Episode
59.3K views2 months ago
YouTubeHISTORY
SHOCKING UFO MYSTERIES OF 2025 | Ancient Aliens *Full Episode Marathon*
2:05:52
SHOCKING UFO MYSTERIES OF 2025 | Ancient Aliens *Full Episode Marathon*
899.8K views6 months ago
YouTubeHISTORY
UFO Mysteries Will Shock You! *Marathon* | Ancient Aliens | History
2:12:18
UFO Mysteries Will Shock You! *Marathon* | Ancient Aliens | History
805.2K viewsApr 14, 2025
YouTubeHISTORY
The Top Ten Alien Petroglyphs (S19, E20) | Ancient Aliens | Full Episode
41:23
The Top Ten Alien Petroglyphs (S19, E20) | Ancient Aliens | Full Episode
64.5K views3 weeks ago
YouTubeHISTORY
Extraterrestrial Moon Bases: Strange Evidence Explained | Ancient Aliens (S1, E11) | Full Episode
42:17
Extraterrestrial Moon Bases: Strange Evidence Explained | Ancient Aliens (S1, E11) | Full Episode
3.7M views10 months ago
YouTubeHISTORY
42:17
New Tech Is Changing the UFO Hunt (S19, E17) | Ancient Aliens | Full Episode
254.4K views1 month ago
YouTubeHISTORY
44:14
Who Are the Greys Visiting Earth for Millennia? (S4, E3) | Ancient Aliens | Full Episode
133.2K views1 month ago
YouTubeHISTORY
44:15
Ancient Civilizations Destroyed by Catastrophes (S4, E4) | Ancient Aliens | Full Episode
99K views1 month ago
YouTubeHISTORY
17:49
Best Classic TV Aliens from the 50s & 60s
1.9K views2 weeks ago
YouTubeTvcrazyman
44:14
Aliens and Cover-Ups (S5, E1) | Ancient Aliens | Full Episode
161.5K views3 months ago
YouTubeHISTORY
36:57
Lost Civilizations Beneath Antarctica? | Ancient Aliens | History
8.7M views11 months ago
YouTubeHISTORY
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1.1M views6 months ago
YouTubeHISTORY
40:21
The Mystery of Alien Travel Through History | Ancient Aliens
1.1M views2 months ago
YouTubeHISTORY
2:11:22
Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens
172.5K views1 month ago
YouTubeHISTORY
59:11
Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1
392.8K views6 months ago
YouTubeHISTORY
42:17
Are Aliens Guiding Cosmic Impacts? (S19, E6) | Ancient Aliens | Full Episode
222.5K views3 months ago
YouTubeHISTORY
23:17
Humanity’s Greatest Unexplained Mysteries | Ancient Aliens
335.4K views4 months ago
YouTubeHISTORY
14:54
20 Sci-Fi Shows That Will Hook You From the Very First Episode on Netflix & Apple TV!
147K views5 months ago
YouTubeMovieWorld
24:41
Top 20 BEST TV Shows of 2025
154.2K views5 months ago
YouTubeWatchMojo.com
35:58
Legends of Strange Creatures | Ancient Aliens
322.7K views2 months ago
YouTubeHISTORY
1:11
Alien: Earth | Teaser - Coming Up This Season | FX
264.1K views10 months ago
YouTubeFX Networks
45:56
Groundbreaking & Unexplainable Technology | Ancient Aliens | History
2M views11 months ago
YouTubeHISTORY
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
7.1M viewsApr 3, 2025
YouTubeHISTORY
2:23
Alien: Earth | Official Trailer | FX
27.1M viewsJun 5, 2025
YouTubeFX Networks
13:14
Top 10 Best Alien Invasion Sci-Fi Series That Will Blow Your Mind
57.8K viewsMar 27, 2025
YouTube5% Entertainment
1:18
ALIEN: EARTH | Official Trailer (2025 TV Series) | August 12 On Hulu
129.3K viewsApr 22, 2025
YouTubeWilson Cleveland
3:40
Top 10 Alien TV Shows You Never Knew Existed!
86 views8 months ago
YouTubePC World Online Television
See more
Static thumbnail place holder