Ancient Aliens poster

Ancient Aliens

★ 7.1 2010-04-20

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 to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

Where to Stream
Returning Series 22 seasons · 291 episodes

Seasons

Season 1 poster

Season 1

5 episodes · 2010-04-20

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Season 2

10 episodes · 2010-10-28

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Season 3

16 episodes · 2011-07-28

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Season 4

10 episodes · 2012-02-17

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Season 5

12 episodes · 2012-12-21

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.

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Season 6

11 episodes · 2013-09-30

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...

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Season 7

8 episodes · 2014-01-24

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 dr...

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Season 8

8 episodes · 2014-06-13

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 s...

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Season 9

12 episodes · 2014-10-31

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.

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Season 10

10 episodes · 2015-07-24

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 s...

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Season 11

15 episodes · 2016-05-06

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 Gior...

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Season 12

16 episodes · 2017-04-28

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Season 13

15 episodes · 2018-04-27

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Season 14

22 episodes · 2019-05-31

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Season 15

12 episodes · 2020-01-25

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Season 16

10 episodes · 2020-11-13

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Season 17

7 episodes · 2021-08-05

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Season 18

20 episodes · 2022-01-07

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Season 19

20 episodes · 2023-01-05

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Season 20

20 episodes · 2024-01-04

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Season 21

17 episodes · 2025-02-06

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Season 22

15 episodes · 2026-01-15