The WORST episodes of Ancient Aliens
Every episode of Ancient Aliens ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of 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 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?

#1 - The UFO Pioneers
Season 16 - Episode 9 - Aired 3/5/2021
In the 20th century, pioneering scientists, journalists and investigators defied convention and began documenting UFOs. Now, with incredible new UFO accounts coming to light, will their work finally culminate in undeniable proof of extraterrestrial visitation?

#2 - The Disclosure Event
Season 18 - Episode 1 - Aired 1/7/2022
In 2021. the United States government broke a 70-year precedent of denying UFOs and released a groundbreaking report on Unidentified Aerial Phenomena. Are we on the brink of full government disclosure about the strange objects witnessed in our skies? And if so, will we soon discover that they are, in fact of extraterrestrial origin?

#3 - Top Ten Alien Artifacts
Season 17 - Episode 7 - Aired 10/8/2021
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.

#4 - Top Ten Alien Encounters
Season 17 - Episode 6 - Aired 10/1/2021
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?

#5 - Top Ten Alien Cover-Ups
Season 17 - Episode 3 - Aired 8/20/2021
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?

#6 - Top 10 Mysterious Sites
Season 17 - Episode 2 - Aired 8/13/2021
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?

#7 - The Human Experiment
Season 17 - Episode 5 - Aired 9/24/2021
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?

#8 - The Lost City of Peru
Season 17 - Episode 1 - Aired 8/6/2021
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.

#9 - The Mystery of Mount Shasta
Season 17 - Episode 4 - Aired 9/17/2021
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.

#10 - The Harmonic Code
Season 16 - Episode 10 - Aired 3/12/2021
Archaeologists have discovered that many ancient sites were built with an acoustic purpose, and often resonate at a frequency that has a profound effect on the human brain. Could ancient people have been aware of a harmonic code? One that put them in contact with alien beings?

#11 - Mystery of the Standing Stones
Season 18 - Episode 2 - Aired 1/14/2022
It is one of the greatest mysteries of the prehistoric world: why did people on nearly every continent erect giant standing stones? According to Ancient Astronaut Theorists, the placement of these monoliths and their geological makeup could point to extraterrestrial intervention--and. quite possibly, a technology that once existed on Earth far more advanced than our own.

#12 - The Space Travelers
Season 16 - Episode 8 - Aired 2/26/2021
It is humankind's most profound achievement: blasting off into the stars. But is it possible that our voyages into the cosmos are really a return to our true origins? And if so, as we venture out further into outer space, will we encounter space travelers from other worlds?

#13 - William Shatner Meets Ancient Aliens
Season 16 - Episode 6 - Aired 2/12/2021
In this extraordinary two-hour special, Shatner will bring thought-provoking questions to the leading experts of the show. Ancient Astronaut theorists Giorgio Tsoukalos, Erich von Däniken, David Childress, William Henry and Linda Moulton Howe will be joined by former British Ministry of Defense investigator Nick Pope, rocket scientist Dr. Travis Taylor, theoretical physicist Dr. Michio Kaku, and religious history experts Rabbi Ariel Bar Tzadok and Reverend Michael Carter. They will explore everything from human origins to groundbreaking archaeological finds, new understandings of the cosmos and the profound possibility that we are not alone in the universe.

#14 - Impossible Artifacts
Season 16 - Episode 7 - Aired 2/19/2021
Throughout the world, ancient objects have been found that leave archaeologists at a loss. Could these impossible artifacts suggest that advanced--and perhaps even extraterrestrial--civilizations existed on Earth thousands of years before our own?

#15 - Giants of the Mediterranean
Season 16 - Episode 4 - Aired 12/11/2020
Ancient cultures recorded stories of enormous beings that descended from the sky; exploring if massive megalithic structures and reported discoveries of towering human-like skeletons reveal that the world was once inhabited by giants.

#16 - The Galactic Keyhole
Season 16 - Episode 3 - Aired 12/4/2020
The mysterious symbol of the keyhole exists in mystic texts, sacred architecture and ancient artwork found all over the planet; exploring if this cryptic shape represents a profound connection to the cosmos.

#17 - The Forbidden Bible
Season 16 - Episode 5 - Aired 12/18/2020
Rebellious angels, giant hybrid beings, and humans taken up to a heavenly realm above the Earth; examining the possiblility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins.

#18 - The Lost Kingdom
Season 16 - Episode 2 - Aired 11/20/2020
According to the earliest Tibetan traditions, hidden high in the Himalaya Mountains is a kingdom of the gods--Shambhala. Is it possible that this mystical realm truly exists, and can be reached through ancient practices designed to access other dimensions?

#19 - The Divine Number
Season 16 - Episode 1 - Aired 11/13/2020
In numerous sacred traditions, the number 12 holds a divine significance; it can be found repeated in ancient architecture, groups of 12 wisdom keepers and even the latest scientific principles.

#20 - Ancient Aliens on Location: Incredible Structures
Season 18 - Episode 11 - Aired 7/8/2022
Ancient Aliens has traveled to many mysterious sites that seem to defy explanation. Now, Giorgio Tsoukalos takes a look back at some of the most incredible structures we’ve visited all over the world. Structures that, as far as Giorgio is concerned, provide undeniable evidence of extraterrestrial contact.

#21 - Secrets of Inner Earth
Season 18 - Episode 19 - Aired 9/9/2022
In the nearly 2,000-year-old text called "The Zohar," there is a curious passage that describes hidden realms beneath the surface of the Earth, each of which is said to be populated by both human and non-human intelligences.

#22 - The Journey to Immortality
Season 18 - Episode 18 - Aired 8/26/2022
Ancient cultures around the world often referred to the gods as the "Immortals" - but could they have encountered extraterrestrial beings that had achieved eternal life? And if these visitors genetically engineered the human race, as Ancient Astronaut Theorists suggest, is it our destiny to become immortals as well?

#23 - The Shining Ones
Season 18 - Episode 17 - Aired 8/19/2022
In Ireland, the notion of the fairy folk dates back thousands of years and originates with stories of powerful shining beings who came down from the sky. Could these tales have been inspired by ancient alien visitation? And if so, do the Shining Ones still inhabit the Irish mounds, existing in a parallel dimension?

#24 - Ancient Aliens on Location: Evidence of Alien Life
Season 18 - Episode 16 - Aired 8/12/2022
Ancient Aliens has followed investigators across the globe as they've gone directly to the sites where signs of alien life have been found. Now, Giorgio Tsoukalos takes a look back at the most incredible evidence ever uncovered that could offer definitive proof that we are not alone in the universe.

#25 - Ancient Aliens on Location: Mysterious Artifacts
Season 18 - Episode 15 - Aired 8/5/2022
Ancient Aliens has investigated the world’s oldest and most incredible relics up close and in person. Now, Giorgio Tsoukalos takes a look back at the most mysterious artifacts from all over the globe – artifacts that he believes provide undeniable proof of extraterrestrial contact.