E4 • The World On Alert

E1 • The Disclosure Event

In 2021, the United States government broke a 70-year precedent of denying UFOs. Will we soon discover that they are, in fact, of extraterrestrial origin?

41m • 2021

In 2021, the United States government broke a 70-year precedent of denying UFOs. Will we soon discover that they are, in fact, of extraterrestrial origin?

E2 • Mystery Of The Standing Stones

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

41m • 2021

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

E3 • Beneath The Sacred Temples

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?

41m • 2021

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?

E4 • The World On Alert

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

41m • 2021

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

E5 • Recovering The Ark Of The Covenant

The most sacred relic of the ancient world: The Ark of the Covenant. Could descriptions of the Ark's incredible power reveal that it was a highly advanced technological device?

41m • 2021

The most sacred relic of the ancient world: The Ark of the Covenant. Could descriptions of the Ark's incredible power reveal that it was a highly advanced technological device?

E6 • Secrets Of The Star Ancestors

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.

41m • 2021

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.

E7 • Alien Air Force

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.

41m • 2021

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.

E8 • The Shadow People

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?

41m • 2021

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?

E9 • Decoding The Dragon Gods

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?

41m • 2021

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?

E10 • The Time Benders

Today, more people than ever before believe that UFOs are of alien origin. But if extraterrestrials have come to Earth from lightyears away, could they be capable of bending both time and space?

41m • 2021

Today, more people than ever before believe that UFOs are of alien origin. But if extraterrestrials have come to Earth from lightyears away, could they be capable of bending both time and space?

E11 • On Location: Incredible Structures

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.

41m • 2021

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.

E12 • On Location: Extraordinary Encounter

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.

41m • 2021

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.

E13 • On Location: Decoding the Alien Glyphs

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

40m • 2021

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

E14 • On Location: The UFO Investigations

Ancient Aliens has met with eyewitnesses and travelled to the sites of UFO incidents. Now, Giorgio Tsoukalos looks back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrials.

41m • 2021

Ancient Aliens has met with eyewitnesses and travelled to the sites of UFO incidents. Now, Giorgio Tsoukalos looks back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrials.

E15 • On Location: Mysterious Artifacts

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.

41m • 2021

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.

E16 • On Location: Evidence of Alien Life

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.

41m • 2021

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.

E17 • The Shinning Ones

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?

41m • 2021

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?

E18 • Secrets of Inner Earth

In the nearly 2,000-year-old text called 'The Zohar' there is a curious passage that describes seven Earths - each of which is said to be populated by both human and non-human intelligences.

41m • 2021

In the nearly 2,000-year-old text called 'The Zohar' there is a curious passage that describes seven Earths - each of which is said to be populated by both human and non-human intelligences.

E19 • Journey to Immortality

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?

41m • 2021

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?

E20 • Return of the Egyptian Gods

In the 20th century, a mysterious British woman who claimed to be the reincarnation of an Egyptian priestess shocked Egyptologists by accurately locating artefacts in the Nile Valley. Was she carrying out an otherworldly agenda?

41m • 2021

In the 20th century, a mysterious British woman who claimed to be the reincarnation of an Egyptian priestess shocked Egyptologists by accurately locating artefacts in the Nile Valley. Was she carrying out an otherworldly agenda?