Web series
Ancient Aliens
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.
- Status
- Returning Series
- Type
- Documentary
- Last aired
- 2026-07-02
- Language
- English
History
- paranormal investigation
- ancient aliens theory
- ufo conspiracy
- megalith
- petroglyph
Seasons
Season 1
5 episodes · 2010
No season synopsis available yet.
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Season 2
10 episodes · 2010
No season synopsis available yet.
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Season 3
16 episodes · 2011
No season synopsis available yet.
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Season 4
10 episodes · 2012
No season synopsis available yet.
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Season 5
12 episodes · 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.
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Season 6
11 episodes · 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.
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Season 7
8 episodes · 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?
View episodes →
Season 8
8 episodes · 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?
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Season 9
12 episodes · 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.
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Season 10
10 episodes · 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?
View episodes →
Season 11
15 episodes · 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.
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Season 12
16 episodes · 2017
No season synopsis available yet.
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Season 13
15 episodes · 2018
No season synopsis available yet.
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Season 14
22 episodes · 2019
No season synopsis available yet.
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Season 15
12 episodes · 2020
No season synopsis available yet.
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Season 16
10 episodes · 2020
No season synopsis available yet.
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Season 17
7 episodes · 2021
No season synopsis available yet.
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Season 18
20 episodes · 2022
No season synopsis available yet.
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Season 19
20 episodes · 2023
No season synopsis available yet.
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Season 20
20 episodes · 2024
No season synopsis available yet.
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Season 21
20 episodes · 2025
No season synopsis available yet.
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Season 22
16 episodes · 2026
No season synopsis available yet.
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Top billed cast
Where to watch
All optionsAvailability for India. Provided by JustWatch through the TMDB API.
Gallery
Air dates
- First aired
- 2010-04-20
- Latest episode
- 2026-07-02
- Status
- Returning Series
- Next release
- In production
- Season 120 Apr 2010
- Season 228 Oct 2010
- Season 328 Jul 2011
- Season 417 Feb 2012
- Season 521 Dec 2012
- Season 630 Sept 2013
- Season 724 Jan 2014
- Season 813 Jun 2014
- Season 931 Oct 2014
- Season 1024 Jul 2015
- Season 116 May 2016
- Season 1228 Apr 2017
- Season 1327 Apr 2018
- Season 1431 May 2019
- Season 1525 Jan 2020
- Season 1613 Nov 2020
- Season 176 Aug 2021
- Season 187 Jan 2022
- Season 196 Jan 2023
- Season 205 Jan 2024
- Season 217 Feb 2025
- Season 2215 Jan 2026
Frequently asked questions
- Where can I watch Ancient Aliens?
- Available on Discovery+, Discovery+ Amazon Channel in India — see the Where to watch section above.
- How many seasons does Ancient Aliens have?
- 22 seasons · 290 episodes · Returning Series.
- What is the rating of Ancient Aliens?
- 7.1/10 from 320 TMDB votes.
