Ancient Aliens

5 Episodes

Aired: Apr 2010

10 Episodes

Aired: Oct 2010

16 Episodes

Aired: Jul 2011

10 Episodes

Aired: Feb 2012

12 Episodes

Aired: Dec 2012

ANCIENT ALIENS Season 5 continues to explore the fascinating field of alien research. From cave paintings to firsthand accounts, this inquiry provides grounded historical depth.

11 Episodes

Aired: Sep 2013

ANCIENT ALIENS Season 6 on H2 continues to explore the fascinating field of alien research. Did intelligent aliens roam the earth thousands of years ago? Were structures created to worship or guide them? Do they walk among us now? From cave paintings to ancient texts and from artifacts to firsthand accounts, this inquiry presents grounded historical depth.

8 Episodes

Aired: Jan 2014

ANCIENT ALIENS explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode in this hit H2 series gives historic depth to the questions, speculations, provocative controversies, first- hand accounts and grounded theories surrounding this age old debate. Did intelligent beings from outer space visit Earth thousands of years ago?

8 Episodes

Aired: Jun 2014

ANCIENT ALIENS examines 75 million years of the most credible alien evidence here on Earth. From the age of dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the U.S., each episode gives historic depth to the questions, speculations, controversies, firsthand accounts and grounded theories surrounding an age-old debate. Did intelligent life forms from outer space visit Earth thousands of years ago? Do they visit us now?

12 Episodes

Aired: Oct 2014

ANCIENT ALIENS Season 9 continues to explore theories about what influence aliens may have had on the beginnings of civilization and whether clues are right in front of our eyes.

10 Episodes

Aired: Jul 2015

ANCIENT ALIENS examines 75 million years of the most credible alien evidence here on Earth. From the age of dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the U.S., each episode gives historic depth to the questions, speculations, controversies, firsthand accounts and grounded theories surrounding an age-old debate. Did intelligent life forms from outer space visit Earth thousands of years ago? Do they visit us now?

15 Episodes

Aired: May 2016

ANCIENT ALIENS returns in its continued global search for proof that extraterrestrial life exists and these unknown lifeforms visited Earth thousands of years ago. Lead expert Giorgio Tsoukalos joins Ancient Astronaut theorists as this season travels to over a dozen countries to explore firsthand signs of ancient alien visitation.

16 Episodes

Aired: Apr 2017

15 Episodes

Aired: Apr 2018

22 Episodes

Aired: May 2019

12 Episodes

Aired: Jan 2020

10 Episodes

Aired: Nov 2020

7 Episodes

Aired: Aug 2021

20 Episodes

Aired: Jan 2022

20 Episodes

Aired: Jan 2023

20 Episodes

Aired: Jan 2024

20 Episodes

Aired: Feb 2025

14 Episodes

Aired: Jan 2026