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The Best Episodes of Ancient Aliens Season 15

Every episode of Ancient Aliens Season 15 ranked from best to worst. Discover the Best Episodes of Ancient Aliens Season 15!

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
Genres:DocumentaryMysterySci-Fi & Fantasy
Network:History

Season 15 Ratings Summary

"The Mystery of Nan Madol" is the best rated episode of "Ancient Aliens" season 15. It scored 7.9/10 based on 133 votes. Directed by N/A and written by N/A, it aired on 1/25/2020. This episode is rated 0.9 points higher than the second-best, "The Relics of Roswell".

  • The Mystery of Nan Madol
    7.9/10133 votes

    #1 - The Mystery of Nan Madol

    Season 15 Episode 1 - Aired 1/25/2020

    Giorgio Tsoukalos and David Childress explore the mysterious chain of manmade islets in Micronesia's Nan Madol; built from 250 million tons of volcanic rock, there are local legends that strange visitors floated the massive rocks through the air.

    Director: N/A

    Writer: N/A

  • The Relics of Roswell
    7.0/1089 votes

    #2 - The Relics of Roswell

    Season 15 Episode 2 - Aired 2/1/2020

    In 1947, the U.S. military collects debris from what they claim is a crashed weather balloon outside of Roswell, N.M.; new evidence may prove that the wreckage belonged to an alien spacecraft and that remnants may have been overlooked.

    Director: N/A

    Writer: N/A

  • Destination Chile
    7.7/1094 votes

    #3 - Destination Chile

    Season 15 Episode 3 - Aired 2/8/2020

    The Chilean government questions whether new footage from a Navy helicopter indicates a connection to geoglyphs in the Atacama Desert.

    Director: N/A

    Writer: N/A

  • The Real Men in Black
    6.8/1069 votes

    #4 - The Real Men in Black

    Season 15 Episode 4 - Aired 2/15/2020

    An investigation into the rumors that the U.S. government is working covertly with space aliens to create alien-human hybrids.

    Director: N/A

    Writer: N/A

  • The Mystery of the Stone Giants
    7.0/1081 votes

    #5 - The Mystery of the Stone Giants

    Season 15 Episode 5 - Aired 2/22/2020

    From Egypt to Easter Island, towering figures built by ancient man stand watch over the Earth. Are these stone giants simply a testament to humanity's past or could they depict visitors from another world' And do they serve a technological purpose that modern man is just now unlocking'

    Director: N/A

    Writer: N/A

  • The World Before Time
    7.8/1093 votes

    #6 - The World Before Time

    Season 15 Episode 6 - Aired 2/29/2020

    Shocking new evidence reveals that advanced civilizations might have existed on Earth tens of thousands of years ago. Is it possible that a technologically advanced society thrived on Earth then’ And did they leave behind a record that they lived alongside extraterrestrial beings’

    Director: N/A

    Writer: N/A

  • They Came from The Pleiades
    7.1/1079 votes

    #7 - They Came from The Pleiades

    Season 15 Episode 7 - Aired 3/7/2020

    In numerous ancient cultures throughout the world, stories were told of ancestors that came to Earth from the Pleiades star cluster, but could new scientific findings reveal that humankind's true origins lie not on Earth but 400 light years away.

    Director: N/A

    Writer: N/A

  • The Immortality Machine
    6.6/1076 votes

    #8 - The Immortality Machine

    Season 15 Episode 8 - Aired 3/14/2020

    In the Mojave Desert, there is a structure built to bestow everlasting life and according to the architect, the blueprint was provided by an extraterrestrial visitor known as the Integratron, could it actually provide the key to immortality.

    Director: N/A

    Writer: N/A

  • The Shapeshifters
    6.5/1060 votes

    #9 - The Shapeshifters

    Season 15 Episode 9 - Aired 3/21/2020

    Accounts of creatures that can shape shift from one form into another can be found, but could similarities between the ancient stories and modern-day alien abduction accounts reveal that shape shifters are real and have come to Earth.

    Director: N/A

    Writer: N/A

  • The Mystery of Skinwalker Ranch
    7.3/1081 votes

    #10 - The Mystery of Skinwalker Ranch

    Season 15 Episode 10 - Aired 3/28/2020

    Nestled within a remote valley in Utah, is a ranch that some believe is a hotbed of strange, inexplicable phenomena including terrifying creatures, paranormal apparitions and lights in the sky. Could the bizarre activity have a connection to an alien entity known as the Skinwalker'

    Director: N/A

    Writer: N/A

  • The Ultimate Guide to UFOs
    7.2/1079 votes

    #11 - The Ultimate Guide to UFOs

    Season 15 Episode 11 - Aired 4/11/2020

    UFO witnesses have reported a wide variety of objects in Earth's skies--and not only in modern times, but for centuries. What might we learn from examining their shapes, sizes, and the way they maneuver' Could they offer important clues about other intelligent life in our galaxy'

    Director: N/A

    Writer: N/A

  • Aliens and the Presidents
    7.1/1082 votes

    #12 - Aliens and the Presidents

    Season 15 Episode 12 - Aired 4/18/2020

    The White House has consistently denied having any knowledge of alien craft visiting Earth, but presidential encounters with UFOs and other strange phenomena can be found going all the way back to George Washington. Is it possible that extraterrestrials have been monitoring–and even influencing–America’s presidents’

    Director: N/A

    Writer: N/A