Ancient Aliens (2010)

Specials

10 episodes · Mar 8, 2009

What if life on Earth began in outer space? Millions of people accept the theory that intelligent life forms visited Earth thousands of years ago and were worshipped as gods by primitive man. Are monuments like Stonehenge and Easter Island the last remains of an ancient alien visitation? From unexplainable super structures, to knowledge of the solar system, mathematics, and even the ability to make electricity, this special explores evidence of super-human influences on ancient man and embarks on an around-the-world search for answers. It's an investigation into a theory some believe cannot be true, but many agree cannot be ignored.

Season 1

5 episodes · Apr 20, 2010

Season 2

10 episodes · Oct 28, 2010

Season 3

16 episodes · Jul 28, 2011

Season 4

10 episodes · Feb 17, 2012

Season 5

12 episodes · Dec 21, 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.

Season 6

11 episodes · Sep 30, 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.

Season 7

8 episodes · Jan 24, 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?

Season 8

8 episodes · Jun 13, 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?

Season 9

12 episodes · Oct 31, 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.

Season 10

10 episodes · Jul 24, 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?

Season 11

15 episodes · May 6, 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.

Season 12

16 episodes · Apr 28, 2017

Season 13

15 episodes · Apr 27, 2018

Season 14

22 episodes · May 31, 2019

Season 15

12 episodes · Jan 25, 2020

Season 16

10 episodes · Nov 13, 2020

Season 17

7 episodes · Aug 6, 2021

Season 18

20 episodes · Jan 7, 2022

Season 19

20 episodes · Jan 6, 2023

Season 20

20 episodes · Jan 5, 2024

Season 21

20 episodes · Feb 7, 2025

Season 22

6 episodes · Jan 15, 2026