The Disclosure Event

Season 18, Episode 1 TV-PG CC HD CC SD

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?

Mystery Of the Standing Stones

Season 18, Episode 2 TV-PG CC HD CC SD

It is one of the greatest mysteries of the prehistoric world: why did people on nearly every continent erect giant standing stones?

Beneath the Sacred Temples

Season 18, Episode 3 TV-PG CC HD CC SD

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? Could they be points of ancient alien contact?

The World on Alert

Season 18, Episode 4 TV-PG CC HD CC SD

Across the globe, high-ranking government officials are openly talking about Unidentified Aerial Phenomena. Ancient Astronaut theorists suggest the evidence has become too great to ignore.

Recovering the Ark of the Covenant

Season 18, Episode 5 TV-PG CC HD CC SD

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?

Secrets of the Star Ancestors

Season 18, Episode 6 TV-PG CC HD CC SD

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.

Alien Air Force

Season 18, Episode 7 TV-PG CC HD CC SD

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.

The Shadow People

Season 18, Episode 8 TV-PG CC HD CC SD

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?

Decoding the Dragon Gods

Season 18, Episode 9 TV-PG CC HD CC SD

Throughout the ancient world, tales were told of fire-breathing dragons. Is it possible that what our ancestors described as winged monsters descending from the sky were visitors from other worlds?

The Time Benders

Season 18, Episode 10 TV-PG CC HD CC SD

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?

Ancient Aliens On Location: Incredible Structures

Season 18, Episode 11 TV-PG CC HD CC SD

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.

Ancient Aliens On Location: Extraordinary Encounters

Season 18, Episode 12 TV-PG CC HD CC SD

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.

Ancient Aliens On Location: The Alien Glyphs

Season 18, Episode 13 TV-PG CC HD CC SD

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.

Ancient Aliens On Location: The UFO Investigations

Season 18, Episode 14 TV-PG CC HD CC SD

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.

Ancient Aliens On Location: Mysterious Artifacts

Season 18, Episode 15 TV-PG CC HD CC SD

Ancient Aliens On Location: Evidence of Alien Life

Season 18, Episode 16 TV-PG CC HD CC SD

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.

The Shining Ones

Season 18, Episode 17 TV-PG CC HD CC SD

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?

The Immortals

Season 18, Episode 18 TV-PG CC HD CC SD

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?

Secrets of Inner Earth

Season 18, Episode 19 TV-PG CC HD CC SD

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. Is it possible that we are not alone--even on our own planet?

Return of the Egyptian Gods

Season 18, Episode 20 TV-PG CC HD CC SD

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. Could it be that she was carrying out an otherworldly agenda--and preparing for the return of the Egyptian gods?