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.
| 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 |
| First Air Date: | 2010-04-20 |
| Last Air Date: | 2026-02-05 |
| Number of Episodes: | 285 |
| Number of Seasons: | 22 |
| Genres: | Documentary, Mystery, Sci-Fi & Fantasy |
| Status: | Returning Series |
| 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 |
