Ancient Aliens: Season 20, Episode 3

The Top Ten Hidden Alien Bases

Counting down the top 10 locations around the world that may be hiding alien bases, including a cavern beneath the ice of Antarctica, a lake in China that is a hotspot for UFOs, and a pyramid under the slopes of Mount Denali...

Release Date: 2010-04-20
Seasons: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
TMDb: 6.8/10
  • Country: US
  • Language: English
  • Runtime: 42

Other episodes for this season

The Top Ten Alien Influencers
Episode 1 - The Top Ten Alien Influen...
The Top Ten Extraordinary Creatures
Episode 2 - The Top Ten Extraordinary...
The Top Ten Hidden Alien Bases
Episode 3 - The Top Ten Hidden Alien Bases
The Top Ten Scariest Encounters
Episode 4 - The Top Ten Scariest Enco...
The Top Ten Alien Codes
Episode 5 - The Top Ten Alien Codes
The Top Ten Alien Disasters
Episode 6 - The Top Ten Alien Disaste...
Secrets Of The Sumerians
Episode 7 - Secrets Of The Sumerians
The UFO Superhighway
Episode 8 - The UFO Superhighway
Mysteries of Scotland
Episode 9 - Mysteries of Scotland
Mystery of the Stone Spheres
Episode 10 - Mystery of the Stone Sphe...