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Ancient Aliens Season 17 episodes
S17 E01
The Lost City of Peru
Fri, 6 Aug 2021
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.
S17 E02
Top Ten Mysterious Sites
Fri, 13 Aug 2021
Ancient Aliens is counting down the world's top ten most mysterious sites, from the towering Moai statues of Easter Island to the enormous megalithic blocks of Stonehenge to the precision cut stones of Puma Punku. Could these extraordinary places provide evidence of extraterrestrial visitation?
S17 E03
Top Ten Alien Cover-Ups
Fri, 20 Aug 2021
Ancient Aliens is counting down the world's top ten 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. Has there been a massive cover-up regarding the truth about an extraterrestrial presence on Earth?
S17 E04
The Mystery of Mount Shasta
Fri, 17 Sep 2021
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 Bigfoot sightings to UFO encounters to hikers vanishing without a trace.
S17 E05
The Human Experiment
Fri, 24 Sep 2021
Scientists now know that seven human-like species lived alongside Homo sapiens for thousands of years. But why is it that only humans survived? Is it possible that we were the product of extraterrestrial experimentation? Ancient Astronaut theorists Giorgio A. Tsoukalos. David Childress and William Henry will be joined by Rabbi Ariel bar Tzadok and filmmaker Caroline Cory to investigate the mystery of the Human genome. in an attempt to determine if human beings are the product of an extraterrestrial experiment. Might the ultimate proof we are not alone in the universe be hidden in our own genetic code?
S17 E06
Top Ten Alien Encounters
Fri, 1 Oct 2021
We're counting down the world's top ten alien encounters, from the first reported abduction event to mass UFO sightings over New York's Hudson Valley to an incident in ancient Rome that changed the course of human history. Could these incredible accounts be actual encounters with visitors from the stars?
S17 E07
Top Ten Alien Artifacts
Fri, 8 Oct 2021
An ancient figurine of a modern-day airplane. A primitive statue of a man in a spacesuit. Mysterious crystal skulls whose origins are entirely unknown. For more than a decade on Ancient Aliens, we've traveled the globe and investigated strange objects found on every continent on Earth. We're counting down the top ten alien artifacts. Objects that could provide evidence that extraterrestrials once walked among us.