Ancient Aliens
DocumentaryMysterySci-Fi & Fantasy
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.
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Trailers & videos
2
Ancient Aliens: History Will Change Forever | History
Trailer
Cast
Episodes
Returning Series
1. Skulls of the Gods
Jan 15, 2026 9.0
2. Egypt's Lost Pyramids
Jan 22, 2026 8.5
3. Island of the Gods
Jan 29, 2026 8.5
4. Extraterrestrial Engineering
Feb 5, 2026 8.5
5. UFO Hot Spots
Feb 26, 2026 8.5
6. Mysterious Monuments
Mar 5, 2026 8.5
7. Underwater Alien Bases
Jun 11, 2026 8.5
8. Secrets of the Vedas
Jun 18, 2026 8.5
9. Wars of the Gods
Jun 25, 2026 8.5
10. UFO Sightings
Jul 2, 2026 8.5
11. Alien A.I.
Jul 9, 2026 8.5
12. Hidden Messages
Jul 16, 2026 8.5
13. Secrets of the Amazon
Jul 23, 2026 8.5
14. Alien Investigators
Jul 30, 2026 8.8
15. Africa's Extraterrestrial Contact
Aug 6, 2026 10.0
16
16. Episode 16
TBA
Watch order
22 seasons — watch them in this order for the full story.
1Season 1
2010 · 5 ep · ★ 8.6
2Season 2
2010 · 10 ep · ★ 8.5
3Season 3
2011 · 16 ep · ★ 8.8
4Season 4
2012 · 10 ep · ★ 9.1
5Season 5
2012 · 12 ep · ★ 8.7
6Season 6
2013 · 11 ep · ★ 8.9
7Season 7
2014 · 8 ep · ★ 9.5
8Season 8
2014 · 8 ep · ★ 9.8
9Season 9
2014 · 12 ep · ★ 9.9
10Season 10
2015 · 10 ep · ★ 9.6
11Season 11
2016 · 15 ep · ★ 6.1
12Season 12
2017 · 16 ep · ★ 6.1
13Season 13
2018 · 15 ep · ★ 5.8
14Season 14
2019 · 22 ep · ★ 6.0
15Season 15
2020 · 12 ep · ★ 6.0
16Season 16
2020 · 10 ep · ★ 6.1
17Season 17
2021 · 7 ep · ★ 6.0
18Season 18
2022 · 20 ep · ★ 6.2
19Season 19
2023 · 20 ep · ★ 6.7
20Season 20
2024 · 20 ep · ★ 9.0
21Season 21
2025 · 20 ep · ★ 8.4
22Season 22
2026 · 16 ep · ★ 8.7
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