TV series
Did intelligent beings from outer space visit Earth thousands of years ago? 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.
Streaming, rental and purchase options
Checked Jul 22, 2026
Ancient Aliens is available to stream on DirecTV On Demand, Disney+, Hulu, Netflix, Philo, Prime Video, Hoopla, Pluto TV, Spectrum On Demand, The Roku Channel, and Tubi in United States. You can also rent or buy it from Google Play, Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
Did intelligent beings from outer space visit Earth thousands of years ago? 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.
Choose an episode, then use the watch options above for the show.
Episode 1
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?
Guest stars Thomas Kean
Episode 2
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.
Where to watch Ancient Aliens
Episode 3
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?
Where to watch Ancient Aliens
Episode 4
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.
Where to watch Ancient Aliens
Episode 5
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?
Where to watch Ancient Aliens
Episode 6
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?
Where to watch Ancient Aliens
Episode 7
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?
Where to watch Ancient Aliens
Episode 8
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?
Where to watch Ancient Aliens
Episode 9
Throughout the ancient world, tales are told of fire-breathing dragons; though fearsome, they have been worshipped as the bringers of great knowledge and credited as the founders of civilization.
Where to watch Ancient Aliens
Episode 10
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?
Where to watch Ancient Aliens
Episode 11
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.
Guest stars Ramy Romany
Episode 12
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.
Where to watch Ancient Aliens
Episode 13
Ancient Aliens has examined the oldest and most mysterious rock art on Earth up close, and Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story of alien visitation.
Guest stars Ramy Romany
Episode 14
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.
Where to watch Ancient Aliens
Episode 15
The team investigates the world's oldest and most incredible relics up close; Giorgio Tsoukalos takes a look back at the most mysterious artifacts from all over the globe, those he believes provide undeniable proof of extraterrestrial contact.
Where to watch Ancient Aliens
Episode 16
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.
Where to watch Ancient Aliens
Episode 17
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; exploring if these tales have been inspired by ancient alien visitation.
Where to watch Ancient Aliens
Episode 18
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?
Where to watch Ancient Aliens
Episode 19
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?
Where to watch Ancient Aliens
Episode 20
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?
Guest stars Ramy Romany, Lynn Picknett
Episode information updated Jul 24, 2026
Robert ClotworthyNarrator (voice)
Giorgio A. TsoukalosSelf
Ariel Bar TzadokSelf
Jonathan YoungSelf
Erich von DänikenSelf
Linda Moulton HoweSelf
David WilcockSelf
George NoorySelf
HistoryUnited States
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