TV Ancient Aliens - Season 20 Ancient Aliens - Season 20 7/10 by 287 users 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. Details Casts Posters Images Title Ancient Aliens - Season 20 Alternative Titles Nos ancêtres les extraterrestres, 远古外星人, Ancient Aliens - Neue Erkenntnisse, Alienígenas ancestrales, Generacion alien, Alien Theory, 古代の宇宙人, Goście z Przeszłości, Drevni vanzemaljci First Air Date 2010-04-20 Last Air Date 2025-11-06 Number of Episodes 278 Number of Seasons 21 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 , Narrator (voice) Robert Clotworthy Self Giorgio A. Tsoukalos Self Ariel Bar Tzadok Self Jonathan Young Self David Childress Self Erich von Däniken Self Linda Moulton Howe Self David Wilcock Self George Noory Self Philip Coppens Self Nick Pope Self Mike Bara Self Bill Birnes Self Hugh Newman Self Robert M. Schoch Self Nick Redfern Episodes List Ancient Aliens Season 20 :Episode 1 The Top Ten Alien Influencers The Top Ten Alien Influencers 2024-01-05 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... Ancient Aliens Season 20 :Episode 2 The Top Ten Extraordinary Creatures The Top Ten Extraordinary Creatures 2024-01-12 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... Ancient Aliens Season 20 :Episode 3 The Top Ten Hidden Alien Bases The Top Ten Hidden Alien Bases 2024-01-19 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... Ancient Aliens Season 20 :Episode 4 The Top Ten Scariest Encounters The Top Ten Scariest Encounters 2024-02-02 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... Ancient Aliens Season 20 :Episode 5 The Top Ten Alien Codes The Top Ten Alien Codes 2024-02-09 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... Ancient Aliens Season 20 :Episode 6 The Top Ten Alien Disasters The Top Ten Alien Disasters 2024-02-16 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... Ancient Aliens Season 20 :Episode 7 Secrets Of The Sumerians Secrets Of The Sumerians 2024-02-23 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... Ancient Aliens Season 20 :Episode 8 The UFO Superhighway The UFO Superhighway 2024-03-01 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... Ancient Aliens Season 20 :Episode 9 Mysteries of Scotland Mysteries of Scotland 2024-03-08 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... Ancient Aliens Season 20 :Episode 10 Mystery of the Stone Spheres Mystery of the Stone Spheres 2024-03-15 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... Ancient Aliens Season 20 :Episode 11 Mysteries of the Maya Mysteries of the Maya 2024-06-28 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... Ancient Aliens Season 20 :Episode 12 Unlocking the Stargates Unlocking the Stargates 2024-07-05 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... Ancient Aliens Season 20 :Episode 13 The Whistleblowers The Whistleblowers 2024-07-12 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... Ancient Aliens Season 20 :Episode 14 The Search For Extraterrestrial Intelligence The Search For Extraterrestrial Intelligence 2024-07-19 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... Ancient Aliens Season 20 :Episode 15 Jacques Vallée: UFO Pioneer Jacques Vallée: UFO Pioneer 2024-08-09 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... Ancient Aliens Season 20 :Episode 16 The Teachers The Teachers 2024-08-16 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... Ancient Aliens Season 20 :Episode 17 Egypt's Giant Tombs Egypt's Giant Tombs 2024-08-23 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... Ancient Aliens Season 20 :Episode 18 The Linda Moulton Howe Files The Linda Moulton Howe Files 2024-08-30 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... Ancient Aliens Season 20 :Episode 19 The Chosen The Chosen 2024-09-06 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... Ancient Aliens Season 20 :Episode 20 Resurrecting Puma Punku Resurrecting Puma Punku 2024-09-13 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...