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Season 17 – Ancient Aliens

Play trailer Poster for Season 17 – Ancient Aliens Aug 2021 Documentary History Play Trailer Watchlist
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Investigators circle the globe in search of evidence in their quest to determine whether life on Earth began in outer space and if aliens influenced mankind in ancient times. Did extraterrestrial beings visit Earth and share information about technology and influence human religions? And more importantly, if aliens visited the planet before, will they return? Alien theorists believe that the answer to both questions is a resounding yes.
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Ancient Aliens — Season 17

Ancient Aliens — Season 17

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Cast & Crew

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Robert Clotworthy

Narrator

Giorgio Tsoukalos

Actor

Erich von Däniken

Actor

David Childress

Actor

William Henry

Actor

Linda Moulton Howe

Actor

Episodes

Episode 1 Aired Aug 6, 2021 The Lost City of Peru Giorgio A. Tsoukalos, David Childress and William Henry examine a recently discovered lost city in Peru that has upended the historical timeline of South America, revealing that civilization emerged thousands of years earlier than previously thought. Details Episode 2 Aired Aug 13, 2021 Top 10 Mysterious Sites An exploration of the top 10 mysterious sites on the planet that could prove alien visitation; from the age of the dinosaurs and ancient Egypt. Details Episode 2 Aired Feb 14, 2025 The Top Ten Mysterious Monoliths Counting down ten mysterious monoliths; from a 500-ton stone believed to represent an ancient UFO, to giant statues said to have been created with advanced technology, and ornate pillars that depict otherworldly visitors. Details Episode 3 Aired Feb 21, 2025 The Top Ten UFO Crashes "Ancient Aliens" is counting down ten compelling UFO crashes that have been reported across the globe; from an acorn-shaped object that crashed in the woods of rural Pennsylvania, to a mysterious craft that washed ashore in Japan. Details Episode 3 Aired Aug 20, 2021 Top Ten Alien Cover-Ups A countdown of the world's top 10 alien cover-ups, from the famous Roswell Incident to a secret military base rumored to be housing ET technology to recently released UFO videos captured by cameras on Navy fighter jets. Details Episode 4 Aired Sep 17, 2021 The Mystery of Mount Shasta Examining the unique geology and location of Mount Shasta in northern California, to determine why it is known as a hotbed of strange events, from Big Foot sightings to UFO encounters to hikers vanishing without a trace. Details Episode 5 Aired Mar 7, 2025 The Top Ten Secret Projects Counting down ten of compelling and covert projects that study the UFO phenomenon; from clandestine government organizations to agents that silence UFO witnesses and secret programs to reverse engineer alien technology. Details Episode 5 Aired Sep 24, 2021 The Human Experiment Theorists investigate the mystery of the human genome and ponder the possibility that extraterrestrials aided in the survival of mankind from its earliest days. Details Episode 6 Aired Oct 1, 2021 Top Ten Alien Encounters Counting down the world's top 10 alien encounters, from the first reported abduction event to mass UFO sightings over New York's Hudson Valley to an incident in ancient Rome. Details Episode 6 Aired Mar 14, 2025 The Top Ten Mysterious Mountains "Ancient Aliens" is counting down ten mysterious mountains that are notorious for otherworldly phenomena; from a summit in Sri Lanka that is said to be a portal to other worlds and a volcano in Washington that was at the center of a UFO sighting. Details Episode 7 Aired Oct 8, 2021 Top Ten Alien Artifacts Counting down the top artifacts that could provide evidence that extraterrestrials once walked among us. Details
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Ancient Aliens — Season 17

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Season Info

Director
Alex Hicks, Jon A. Levy
Executive Producer
Kevin Burns, David Silver, Kim Sheerin, Max Thompson, Susan Leventhal
Screenwriter
David Comtois, Glenn Kirschbaum, Max Thompson, Gabriel Rotello, Joe Lessard, Erik Pinkston, Joseph Maddrey, Katie Raines
Network
History
Rating
TV-PG
Genre
Documentary, History
Original Language
English
Release Date
Aug 6, 2021