Underwater Alien Bases

Underwater Alien Bases

Ancient Aliens | Season 22, Episode 7

TV-PG

•

UnXplained Zone

Add to Watchlist

dynamic-program-block-tile-screen-0-tile-0

S22 E7: Underwater Alien Bases

Upcoming • Original Air Date: Jun 11, 2026

The oceans are the most mysterious places on Earth. Countless legends tell of powerful beings living in the waters, and today they are major hotspots for UFOs. Is it possible that the deepest depths of our planet-are home to otherworldly beings?

Jun 12

•

12:04AM

•

1 Hr 1 Min

•

2026

•

TV-PG

AVAILABLE NOW

MORE LIKE THIS

LIVE SCHEDULE

EXTRAS

Season 19

  • Season 19
  • Season 14
  • Season 12
  • Season 11
  • Season 10
  • Season 9
  • Season 8
  • Season 7
  • Season 6
details-vertical-list-screen-0-tile-0

S19 E13: The Top Ten Mysterious Islands

Original Air Date: Jul 14, 2023

"Ancient Aliens" is counting down the world's top 10 mysterious islands, including sites said to be home to giants, remote landmasses that are home to massive megalithic structures, and even islands that disappear into thin air.

May 31

•

8:16PM

•

52 Min

•

TV-PG

•

Available with Freestream

details-vertical-list-screen-0-tile-1

S19 E11: The Top Ten Pyramid Sites

Original Air Date: Jun 30, 2023

"Ancient Aliens" is counting down the world's top 10 pyramid sites, from a valley in Peru with over 250 hidden pyramids to an ancient Greek city with mysterious 4,800-year-old ruins to Egypt's famous Giza Plateau.

May 31

•

9:08PM

•

52 Min

•

TV-PG

•

Available with Freestream

details-vertical-list-screen-0-tile-2

S19 E10: The Giants of Malta

Original Air Date: Mar 17, 2023

Enormous, megalithic structures of mysterious origins; a vast underground complex containing the remains of what some believe to be otherworldly beings; the ancient mysteries that exist on the islands of Malta could be connected to alien visitation.

May 30

•

4:50PM

•

51 Min

•

TV-PG

•

Available with Freestream

details-vertical-list-screen-0-tile-3

S19 E8: The Mysteries of Alaska

Original Air Date: Mar 3, 2023

The vast Alaskan wilderness is known for mysterious disappearances, electromagnetic anomalies, stories of strange creatures and UFO sightings; Alaska's many mysteries could be due to a presence that is not of this world.

May 30

•

4PM

•

50 Min

•

TV-PG

•

Available with Freestream

details-vertical-list-screen-0-tile-4

S19 E6: Cosmic Impacts

Original Air Date: Feb 17, 2023

Meteor impacts have altered the world, creating the environment for the rise of humankind and delivering metals essential to an advanced civilization; evidence could reveal that celestial objects have been directed to Earth by alien intelligence.

May 29

•

6:31PM

•

52 Min

•

TV-PG

•

Available with Freestream