《远古外星人》第 0 季于 2009-03-08 首播。
What if life on Earth began in outer space? Millions of people accept the theory that intelligent life forms visited Earth thousands of years ago and were worshipped as gods by primitive man. Are monuments like Stonehenge and Easter Island the last remains of an ancient alien visitation? From unexplainable super structures, to knowledge of the solar system, mathematics, and even the ability to make electricity, this special explores evidence of super-human influences on ancient man and embarks on an around-the-world search for answers. It's an investigation into a theory some believe cannot be true, but many agree cannot be ignored.
《远古外星人》第 4 季于 2012-02-17 首播。
《远古外星人》第 5 季于 2012-12-21 首播。
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.
《远古外星人》第 7 季于 2014-01-24 首播。
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?
《远古外星人》第 11 季于 2016-05-06 首播。
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.
《远古外星人》第 13 季于 2018-04-27 首播。
如果外星人在我们中间，他们对我们的世界产生了怎样的影响，人们会对这一发现做出怎样的反应？从最近关于美国政府资助UFO研究的爆炸性新闻，到最近发现的埃及大火葬场密室背后的隐藏事实。
《远古外星人》第 15 季于 2020-01-25 首播。
《远古外星人》第 16 季于 2020-11-13 首播。
《远古外星人》第 17 季于 2021-08-06 首播。
《远古外星人》第 18 季于 2022-01-07 首播。
《远古外星人》第 19 季于 2023-01-06 首播。
《远古外星人》第 20 季于 2024-01-05 首播。
