The BEST episodes of Ancient Aliens season 18

Every episode of Ancient Aliens season 18, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Ancient Aliens season 18!

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?

Last Updated: 4/27/2024Network: HistoryStatus: Continuing
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Return of the Egyptian Gods
star
7.75
129 votes

#1 - Return of the Egyptian Gods

Season 18 - Episode 20 - Aired 9/16/2022

In the 20th century, a mysterious British woman who claimed to be the reincarnation of an ancient Egyptian priestess shocked Egyptologists by accurately locating countless structures and artifacts in the Nile Valley.

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The World on Alert
star
7.69
187 votes

#2 - The World on Alert

Season 18 - Episode 4 - Aired 1/28/2022

Across the globe, high-ranking government officials are openly talking about Unidentified Aerial Phenomena. But why now? Ancient Astronaut theorists suggest the evidence has become too great to ignore--and the truth about an extraterrestrial presence on Earth will soon be revealed.

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Mystery of the Standing Stones
star
7.62
167 votes

#3 - 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.

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Beneath the Sacred Temples
star
7.60
172 votes

#4 - Beneath the Sacred Temples

Season 18 - Episode 3 - Aired 1/21/2022

Some of the world's most iconic sacred temples were built atop the ruins of structures that are far more ancient. What compelled early humans to rebuild in the same places again and again? Do these locations hold special power? And could they be points of ancient alien contact?

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Secrets of Inner Earth
star
7.59
114 votes

#5 - 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.

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The Journey to Immortality
star
7.57
110 votes

#6 - 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?

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Ancient Aliens on Location: Incredible Structures
star
7.42
117 votes

#7 - 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.

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The Time Benders
star
7.41
138 votes

#8 - The Time Benders

Season 18 - Episode 10 - Aired 3/18/2022

Today, more people than ever before believe that Unidentified Flying Objects are of alien origin. But if extraterrestrials have come to Earth from lightyears away, could they be capable of bending both time and space? Might it even be possible that the UFOs in our skies are not visitors from other planets, but from our own future?

Watch Now:Apple TV
The Disclosure Event
star
7.41
211 votes

#9 - 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?

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Recovering the Ark of the Covenant
star
7.40
176 votes

#10 - Recovering the Ark of the Covenant

Season 18 - Episode 5 - Aired 2/11/2022

Some 2,600 years ago, the most sacred relic of the ancient world suddenly disappeared from history: The Ark of the Covenant. Could descriptions of the Ark's incredible power reveal that it was a highly advanced technological device? And if found, will it provide undeniable proof of humanity's extraterrestrial past?

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Decoding the Dragon Gods
star
7.40
131 votes

#11 - Decoding the Dragon Gods

Season 18 - Episode 9 - Aired 3/11/2022

Throughout the ancient world, tales were told of fire-breathing dragons. Though fearsome, they were often worshipped as the bringers of great knowledge and credited as the founders of civilization. Is it possible that what our ancestors described as winged monsters descending from the sky were visitors from other worlds?

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Ancient Aliens on Location: Evidence of Alien Life
star
7.36
99 votes

#12 - 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.

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Ancient Aliens on Location: Decoding the Alien Glyphs
star
7.36
101 votes

#13 - Ancient Aliens on Location: Decoding the Alien Glyphs

Season 18 - Episode 13 - Aired 7/22/2022

Ancient Aliens has examined the oldest and most mysterious rock art on Earth–up close and in person. Now, Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story–of alien visitation.

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Ancient Aliens on Location: The UFO Investigations
star
7.31
88 votes

#14 - Ancient Aliens on Location: The UFO Investigations

Season 18 - Episode 14 - Aired 7/29/2022

Ancient Aliens has met with eyewitnesses and traveled to the sites of incredible UFO incidents reported all over the world. Now, Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

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Ancient Aliens on Location: Mysterious Artifacts
star
7.30
88 votes

#15 - 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.

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Alien Air Force
star
7.24
150 votes

#16 - Alien Air Force

Season 18 - Episode 7 - Aired 2/25/2022

Since 2017, the Navy has been releasing photos and videos of Unidentified Aerial Phenomena--and Ancient Astronaut Theorists suggest the incredible images are nearly identical to accounts from centuries ago. Could flying pyramids. bell-shaped craft and cylindrical objects represent alien craft that have been roaming Earth's skies for thousands of years?

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The Shining Ones
star
7.24
102 votes

#17 - 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?

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Ancient Aliens on Location: Extraordinary Encounters
star
7.17
108 votes

#18 - Ancient Aliens on Location: Extraordinary Encounters

Season 18 - Episode 12 - Aired 7/15/2022

Ancient Aliens has followed investigators across the globe as they've gone directly to the sites where unexplained incidents have been reported. Now, Giorgio Tsoukalos takes a look back at the most extraordinary encounters that, as far as he's concerned, provide evidence of an extraterrestrial presence on Earth.

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Secrets of the Star Ancestors
star
7.16
152 votes

#19 - Secrets of the Star Ancestors

Season 18 - Episode 6 - Aired 2/18/2022

In the traditions of native peoples across North America are stories of the Star Ancestors--powerful beings who descended to Earth in the distant past and are sometimes present even today. Might the ancient accounts and depictions of these visitors reveal profound truths about both humanity's origins ... and its future in the stars?

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The Shadow People
star
7.12
139 votes

#20 - The Shadow People

Season 18 - Episode 8 - Aired 3/4/2022

Millions of people around the world have reported encountering shadowy entities who instill fear, shortness of breath, and even paralysis. Is it possible that the so-called “Shadow People” are more than mere figments of the imagination? Could they be visitors from other worlds… or even other dimensions?

Watch Now:Apple TV