Ancient Aliens

Ancient Aliens Season 17

TV Show

Season 17 Episodes

1. The Lost City of Peru

August 6th, 202140 min

Giorgio A. Tsoukalos, David Childress and William Henry examine a recently discovered lost city in Peru that has upended the historical timeline of South America, revealing that civilization emerged thousands of years earlier than previously thought.

2. Top Ten Mysterious Sites

August 13th, 202140 min

Ancient Aliens is counting down the world's top ten most mysterious sites, from the towering Moai statues of Easter Island to the enormous megalithic blocks of Stonehenge to the precision cut stones of Puma Punku. Could these extraordinary places provide evidence of extraterrestrial visitation?

3. Top Ten Alien Cover-Ups

August 20th, 202140 min

Ancient Aliens is counting down the world's top ten alien cover-ups, from the famous Roswell Incident to a secret military base rumored to be housing ET technology to recently released UFO videos captured by cameras on Navy fighter jets. Has there been a massive cover-up regarding the truth about an extraterrestrial presence on Earth?

4. The Mystery of Mount Shasta

September 17th, 202140 min

Examining the unique geology and location of Mount Shasta in northern California, to determine why it is known as a hotbed of strange events, from Bigfoot sightings to UFO encounters to hikers vanishing without a trace.

5. The Human Experiment

September 24th, 202139 min

Scientists now know that seven human-like species lived alongside Homo sapiens for thousands of years. But why is it that only humans survived? Is it possible that we were the product of extraterrestrial experimentation? Ancient Astronaut theorists Giorgio A. Tsoukalos. David Childress and William Henry will be joined by Rabbi Ariel bar Tzadok and filmmaker Caroline Cory to investigate the mystery of the Human genome. in an attempt to determine if human beings are the product of an extraterrestrial experiment. Might the ultimate proof we are not alone in the universe be hidden in our own genetic code?

6. Top Ten Alien Encounters

October 1st, 202140 min

We're counting down the world's top ten alien encounters, from the first reported abduction event to mass UFO sightings over New York's Hudson Valley to an incident in ancient Rome that changed the course of human history. Could these incredible accounts be actual encounters with visitors from the stars?

7. Top Ten Alien Artifacts

October 8th, 202140 min

An ancient figurine of a modern-day airplane. A primitive statue of a man in a spacesuit. Mysterious crystal skulls whose origins are entirely unknown. For more than a decade on Ancient Aliens, we've traveled the globe and investigated strange objects found on every continent on Earth. We're counting down the top ten alien artifacts. Objects that could provide evidence that extraterrestrials once walked among us.

All Seasons

Season 20

Season 20

Jan 5, 2024
Season 19

Season 19

Jan 6, 2023
Season 18

Season 18

Jan 7, 2022
Season 17

Season 17

Aug 6, 2021
Season 16

Season 16

Nov 13, 2020
Season 15

Season 15

Jan 25, 2020
Season 14

Season 14

May 31, 2019
Season 13

Season 13

Apr 27, 2018
Season 12

Season 12

Apr 28, 2017
Season 11

Season 11

May 6, 2016
Season 10

Season 10

Jul 24, 2015
Season 9

Season 9

Oct 31, 2014
Season 8

Season 8

Jun 13, 2014
Season 7

Season 7

Jan 24, 2014
Season 6

Season 6

Sep 30, 2013
Season 5

Season 5

Dec 21, 2012
Season 4

Season 4

Feb 17, 2012
Season 3

Season 3

Jul 28, 2011
Season 2

Season 2

Oct 28, 2010
Season 1

Season 1

Apr 20, 2010
Specials

Specials

Mar 8, 2009