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.
| Title | Ancient Aliens - Season 21 |
|---|---|
| Alternative Titles | Nos ancêtres les extraterrestres, 远古外星人, Ancient Aliens - Neue Erkenntnisse, Generacion alien, Alienígenas ancestrales, Alien Theory, 古代の宇宙人, Goście z Przeszłości, Drevni vanzemaljci |
| Subtitle Available |
 ETC.
|
| First Air Date | 2010-04-20 |
| Last Air Date | 2026-01-22 |
| Number of Episodes | 285 |
| Number of Seasons | 22 |
| Genres | Documentary, Mystery, Sci-Fi & Fantasy, |
| Networks | History, |
| Casts | Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok, Jonathan Young, David Childress, Erich von Däniken, Linda Moulton Howe, David Wilcock, George Noory, Philip Coppens, Nick Pope |
| Plot Keywords | , |
Episodes List
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Ancient Aliens Season 21 :Episode 1 The Top Ten Extraordinary Discoveries The Top Ten Extraordinary Discoveries
2025-02-07Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 2 The Top Ten Mysterious Monoliths The Top Ten Mysterious Monoliths
2025-02-14Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 3 The Top Ten UFO Crashes The Top Ten UFO Crashes
2025-02-21Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 4 The Top Ten Unexplained Technologies The Top Ten Unexplained Technologies
2025-02-28Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 5 The Top Ten Secret Projects The Top Ten Secret Projects
2025-03-07Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 6 The Top Ten Mysterious Mountains The Top Ten Mysterious Mountains
2025-03-14Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 7 Mysteries of the Aztecs Mysteries of the Aztecs
2025-03-21Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 8 The Glowing Orb Phenomenon The Glowing Orb Phenomenon
2025-03-28Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 9 The Legacy of J. Allen Hynek The Legacy of J. Allen Hynek
2025-08-29Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 10 The Volcano Factor The Volcano Factor
2025-09-05Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 11 The Birdman Mystery The Birdman Mystery
2025-09-12Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 12 The Abduction Files The Abduction Files
2025-09-19Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 13 The Giants The Giants
2025-10-02Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 14 Aliens In Our Midst Aliens In Our Midst
2025-10-09Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 15 Britain's UFO Files Britain's UFO Files
2025-10-16Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 16 Mysteries Of The Norse Gods Mysteries Of The Norse Gods
2025-10-23Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 17 Secrets of Japan Secrets of Japan
2025-11-06Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 18 Episode 18 Episode 18
1970-01-01Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 19 Episode 19 Episode 19
1970-01-01Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
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Ancient Aliens Season 21 :Episode 20 Episode 20 Episode 20
1970-01-01Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
