Ancient Aliens
Texts, archaeology and legend contain evidence of past human-extraterrestrial contact.
The Top Ten Extraordinary Discoveries
S21 E1
Counting down 10 discoveries that challenge traditional beliefs about human history, from a lost city hidden in the Andes to mysterious metal spheres that are not of this world and a sunken city that is said to be the home of the gods.
The Top Ten Mysterious Monoliths
S21 E2
Counting down ten mysterious monoliths; from a 500-ton stone believed to represent an ancient UFO, to giant statues said to have been created with advanced technology, and ornate pillars that depict otherworldly visitors.
The Top Ten UFO Crashes
S21 E3
"Ancient Aliens" is counting down ten compelling UFO crashes that have been reported across the globe; from an acorn-shaped object that crashed in the woods of rural Pennsylvania, to a mysterious craft that washed ashore in Japan.
The Top Ten Secret Projects
S21 E5
Counting down ten of compelling and covert projects that study the UFO phenomenon; from clandestine government organizations to agents that silence UFO witnesses and secret programs to reverse engineer alien technology.
The Top Ten Mysterious Mountains
S21 E6
"Ancient Aliens" is counting down ten mysterious mountains that are notorious for otherworldly phenomena; from a summit in Sri Lanka that is said to be a portal to other worlds and a volcano in Washington that was at the center of a UFO sighting.
Mysteries of the Aztecs
S21 E7
The Aztecs have built a powerful and feared empire and they have claimed that they were guided by a pantheon of more than a thousand gods who came to Earth from different parts of the universe.
The Top Ten Alien Influencers
S20 E1
Giorgio Tsoukalos looks at mysterious teachers who have appeared throughout history, including a biblical patriarch, a race of fish-people and Egypt's most controversial Pharoah.
The Top Ten Extraordinary Creatures
S20 E2
Giorgio Tsoukalos takes a look back at the top 10 reports of encounters with strange and mysterious beasts that have been investigated on "Ancient Aliens."
The Top Ten Hidden Alien Bases
S20 E3
Counting down the top 10 locations around the world that may be hiding alien bases, including a cavern beneath the ice of Antarctica, a lake in China that is a hotspot for UFOs, and a pyramid under the slopes of Mount Denali.
The Top Ten Scariest Encounters
S20 E4
Counting down the top 10 scariest encounters that just might be evidence of extraterrestrial visitation, from an encounter in rural Texas that left onlookers with unexplainable injuries, to mysterious cattle mutilations, and more.
The Top Ten Alien Codes
S20 E5
Counting down 10 intriguing symbols and codes found across the globe that might contain proof of otherworldly contact; from glyphs in the Peruvian desert, to spiral petroglyphs embedded with advanced math, and a language with an unexplained origin.
The Top Ten Alien Disasters
S20 E6
Counting down the top 10 devastating disasters that might have an otherworldly connection; from a flying monster at a nuclear incident, a meteor that wiped out the dinosaurs, and a deadly virus that might be from another world.
Secrets of the Sumerians
S20 E7
More than 7,000 years ago, the ancient Sumerians established what is considered the world's first civilization; but it may be possible that these powerful beings were, in fact, extraterrestrial visitors.
The UFO Superhighway
S20 E8
Along the Earth's north 37th parallel, there have been so many reports of unidentified flying objects, animal mutilations, and other mysterious events that it has been dubbed The UFO Superhighway.
Mysteries of Scotland
S20 E9
For thousands of years, Scotland has been an epicenter of otherworldly phenomena; it is home to mysterious ancient stone circles, stories of strange beings, and is a major hotspot for UFO sightings.
Mystery of the Stone Spheres
S20 E10
Throughout the world there are mysterious ancient stones shaped into perfect spheres; many of them show clear evidence of being manmade and some completely defy explanation; the mystery of the stone spheres could provide clues about humankind's past.
Mysteries of the Maya
S20 E11
Considered by many to be the greatest civilization in the history of the Americas, the Maya thrived for more than 2,000 years; today new evidence is being discovered that completely upends our understanding of this ancient culture.
Unlocking the Stargates
S20 E12
For thousands of years, cultures around the world have held a belief in stargates through which beings have traveled to Earth from distant points in the universe and even other dimensions.
The Whistleblowers
S20 E13
For decades, incredible claims have been made about an extraterrestrial presence on Earth, and the government has gone to great lengths to discredit them.
The Search For Extraterrestrial Intelligence
S20 E14
For thousands of years, humankind has attempted to make contact with beings from beyond Earth; now, the search for extraterrestrial intelligence is ramping up, with new technologies allowing individuals to explore the universe.
The Teachers
S20 E15
Stories of god-like beings providing instruction to early humans, helping establish the first civilizations; exploring if mysterious figures who appear throughout history provide evidence that these otherworldly teachers have been here all along.
Jacques Vallée: UFO Pioneer
S20 E16
On Jacques Vallee's work in the field of UFOs and his theories on alien life.
Tomb of the Cosmic Bulls
S20 E17
Deep beneath the sands of Egypt lie 24 enormous sarcophagi, and every one of them is empty; discussing what purpose those giant tombs had served.
The Linda Moulton Howe Files
S20 E18
For more than four decades, award-winning journalist Linda Moulton Howe has covered the most mysterious phenomena on Earth.
Resurrecting Puma Punku
S20 E20
Puma Punku in Bolivia features stone blocks, each carved with precision; the blocks lie scattered across the landscape, confusing archaeologists as to what the ancient site might have been.
The Hotspot Connection
S19 E1
Up to 70% of UFO sightings happen in hot spots; examining what attracts UFOs and extraterrestrial visitors to these locations.
The Crop Circle Code
S19 E2
More than 10,000 crop circle formations have been documented in over 50 countries.
Mystery of the Lost Civilization
S19 E3
The discovery of the ancient megalithic site of Karahan Tepe in southern Turkey turns the world of archaeology on its head, displaying engineering skills far beyond what the people of the time were thought to be capable of.
The MUFON Files
S19 E5
The Mutual UFO Network is an organization devoted to the scientific investigation of unidentified aerial phenomena and other unexplained encounters; with more than five decades of investigations, MUFON's extensive database could contain proof.
Cosmic Impacts
S19 E6
Meteor impacts have altered the world, creating the environment for the rise of humankind and delivering metals essential to an advanced civilization; evidence could reveal that celestial objects have been directed to Earth by alien intelligence.
Close Encounters of the Fifth Kind
S19 E7
The possibility of direct human contact with extraterrestrial life within the highest levels of the U.S. government.
The Mysteries of Alaska
S19 E8
The vast Alaskan wilderness is known for mysterious disappearances, electromagnetic anomalies, stories of strange creatures and UFO sightings; Alaska's many mysteries could be due to a presence that is not of this world.
Aliens in Our Airspace
S19 E9
Terrifying encounters at 40,000 feet; pilot accounts of UFOs taking control of their aircraft; entire jumbo jets disappearing into thin air; since the dawn of aviation, pilots have experienced unexplainable events in the sky.
The Giants of Malta
S19 E10
Enormous, megalithic structures of mysterious origins; a vast underground complex containing the remains of what some believe to be otherworldly beings; the ancient mysteries that exist on the islands of Malta could be connected to alien visitation.
The Top Ten Pyramid Sites
S19 E11
"Ancient Aliens" is counting down the world's top 10 pyramid sites, from a valley in Peru with over 250 hidden pyramids to an ancient Greek city with mysterious 4,800-year-old ruins to Egypt's famous Giza Plateau.
The Top Ten Mysterious Devices
S19 E12
Counting down the world's top 10 mysterious devices, from strange, grooved disks found in a cave in China to an ancient Greek computer to an incredible crystal skull unearthed in Mexico.
The Top Ten Mysterious Islands
S19 E13
"Ancient Aliens" is counting down the world's top 10 mysterious islands, including sites said to be home to giants, remote landmasses that are home to massive megalithic structures, and even islands that disappear into thin air.
The Top Ten Alien Craft
S19 E14
"Ancient Aliens" is counting down the top 10 alien craft, from V-shaped objects to orbs of light to flying saucers.
Edgar Cayce: The Sleeping Prophet
S19 E15
In the early 1900s, Edgar Cayce, a modern-day prophet from the hills of Kentucky, becomes a worldwide sensation; he claims to receive visions of the past and future, he heals the sick, and alleges to have encounters with otherworldly beings.
The Gods of Greece
S19 E16
Whether the gods of Greece including Zeus, Apollo and Poseidon from Mt. Olympus were extraterrestrial visitors to Earth.
The New UFO Hunters
S19 E17
In the 21st century, UFOs have gone from fringe science to mainstream obsession; a new generation of UFO hunters employ technology, and unidentified flying objects are openly investigated by the government.
The Power of the Talisman
S19 E18
For thousands of years, people have held the belief that everyday objects can possess hidden energy; talismans are seen to provide protection, good fortune, and some are thought to embody a higher power.
The Top Ten Mysteries of the Deep
S19 E19
Counting down 10 mysteries of the deep, from sunken continents to puzzling ruins on the ocean floor and even artifacts that might be remnants of Atlantis; these underwater mysteries could provide a record of extraterrestrial visitation.
The Top Ten Alien Petroglyphs
S19 E20
"Ancient Aliens" is looking at alien petroglyphs around the world; from strange, human-like figures to flying craft and carvings of what appear to be astronauts.
The Disclosure Event
S18 E1
In 2021, the United States government broke a 70-year precedent of denying UFOs and released a groundbreaking report on Unidentified Aerial Phenomena.
Mystery of the Standing Stones
S18 E2
According to Ancient Astronaut Theorists, the placement of monoliths and their geological makeup could point to extraterrestrial intervention.
Beneath the Sacred Temples
S18 E3
Some of the world's most iconic, sacred temples were built atop the ruins of structures that are far more ancient; investigating what compelled early humans to rebuild in the same places again and again.
The World on Alert
S18 E4
Ancient astronaut theorists suggest the evidence for unidentified aerial phenomena has become too great to ignore and that the truth about an extraterrestrial presence on Earth will soon be revealed.
Recovering the Ark of the Covenant
S18 E5
Some 2,600 years ago, a sacred relic of the ancient world disappeared from history: The Ark of the Covenant; discussing if descriptions of the Ark's power could reveal what it truly is, or if it has a connection to humanity's extraterrestrial past.
Secrets of the Star Ancestors
S18 E6
Exploring whether ancient accounts of "Star Ancestors" reveal profound truths about both humanity's origins and its future.
Alien Air Force
S18 E7
Since 2017, the Navy has been releasing photos and videos of unidentified aerial phenomena, and ancient astronaut theorists suggest the images are nearly identical to accounts from centuries ago.
The Shadow People
S18 E8
Millions of people around the world have reported encountering shadowy entities who instill fear, shortness of breath, and even paralysis; they could be figments of the imagination or visitors from other worlds or dimensions.
Decoding the Dragon Gods
S18 E9
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.
The Time Benders
S18 E10
Today, more people than ever believe that unidentified flying objects are of alien origin; exploring the possibility that they are capable of bending both time and space.
Ancient Aliens On Location: Extraordinary Encounters
S18 E12
A look back at some extraordinary encounters that may provide evidence of an extraterrestrial presence on Earth.
Ancient Aliens On Location: Decoding the Alien Glyphs
S18 E13
"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.
Ancient Aliens on Location: The UFO Investigations
S18 E14
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
S18 E15
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.
Ancient Aliens on Location: Evidence of Alien Life
S18 E16
Following investigators across the globe as they go to the sites where signs of alien life have been found; Giorgio Tsoukalos takes a look back at incredible evidence that could offer definitive proof that humans are not alone in the universe.
The Shining Ones
S18 E17
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.
Journey to Immortality
S18 E18
Discussing whether ancient cultures could have encountered extraterrestrial beings that have achieved eternal life, and discussing the Ancient Astronaut Theorists suggestions.
Secrets of Inner Earth
S18 E19
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.
Return of the Egyptian Gods
S18 E20
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.
The MUFON Files
S18 E28
The Mutual UFO Network--better known as MUFON--is the world's leading organization devoted to the scientific investigation of unidentified aerial phenomena and other unexplained encounters.
The Lost City of Peru
S17 E1
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.
Top 10 Mysterious Sites
S17 E2
An exploration of the top 10 mysterious sites on the planet that could prove alien visitation; from the age of the dinosaurs and ancient Egypt.
The Mystery of Mount Shasta
S17 E4
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 Big Foot sightings to UFO encounters to hikers vanishing without a trace.
The Human Experiment
S17 E5
Theorists investigate the mystery of the human genome and ponder the possibility that extraterrestrials aided in the survival of mankind from its earliest days.
Top Ten Alien Encounters
S17 E6
Counting down the world's top 10 alien encounters, from the first reported abduction event to mass UFO sightings over New York's Hudson Valley to an incident in ancient Rome.
Top Ten Alien Artifacts
S17 E7
Counting down the top artifacts that could provide evidence that extraterrestrials once walked among us.
The Divine Number
S16 E1
In numerous sacred traditions, the number twelve holds a divine significance. Could this divine number be part of an alien code left for humanity to decipher?
The Lost Kingdom
S16 E2
Hidden high in the Himalaya Mountains is a kingdom of the gods--Shambhala. Is it possible that this mystical realm truly exists?
The Galactic Keyhole
S16 E3
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.
The Forbidden Bible
S16 E5
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.
William Shatner Meets Ancient Aliens
S16 E6
A multitude of guests and scientists explores everything from human origins to groundbreaking archaeological finds, new understandings of the cosmos, and the profound possibility that humans are not alone in the universe.
Impossible Artifacts
S16 E7
Strange ancient objects that leave archaeologists at a loss could suggest that an advanced extraterrestrial civilization existed on Earth for thousands of years.
The Space Travelers
S16 E8
Humankind's most profound achievement is blasting off into the stars; what humans might learn by venturing out farther into space.
The UFO Pioneers
S16 E9
In the 20th century, pioneering scientists, journalists and investigators defied convention and began documenting UFOs; experts in the 21st century look for undeniable proof of extraterrestrial visitation.
The Harmonic Code
S16 E10
Archaeologists discover that many ancient sites were constructed with an acoustic purpose and often resonate at a frequency that has a profound effect on the human brain; questioning whether ancient people used these sites to contact alien beings.
The Mystery of Nan Madol
S15 E1
Giorgio Tsoukalos and David Childress explore the mysterious chain of manmade islets in Micronesia's Nan Madol; built from 250 million tons of volcanic rock, there are local legends that strange visitors floated the massive rocks through the air.
The Relics of Roswell
S15 E2
In 1947, the U.S. military collects debris from what they claim is a crashed weather balloon outside of Roswell, N.M.; new evidence may prove that the wreckage belonged to an alien spacecraft and that remnants may have been overlooked.
Destination Chile
S15 E3
The Chilean government questions whether new footage from a Navy helicopter indicates a connection to geoglyphs in the Atacama Desert.
The Mystery of the Stone Giants
S15 E5
From Egypt to Easter Island, towering figures built by ancient man stand watch over the Earth; discussing if these stone giants str simply a testament to humanity's past or if they could depict visitors from another world.
The World Before Time
S15 E6
Shocking new evidence reveals that advanced civilizations might have existed on Earth tens of thousands of years ago; is it possible that a technologically advanced society thrived on Earth, and did they leave behind a record.
They Came from The Pleiades
S15 E7
In numerous ancient cultures throughout the world, stories were told of ancestors that came to Earth from the Pleiades star cluster, but could new scientific findings reveal that humankind's true origins lie not on Earth but 400 light years away.
The Immortality Machine
S15 E8
In the Mojave Desert, there is a structure built to bestow everlasting life and according to the architect, the blueprint was provided by an extraterrestrial visitor known as the Integratron, could it actually provide the key to immortality.
The Shapeshifters
S15 E9
Accounts of creatures that can shape shift from one form into another can be found, but could similarities between the ancient stories and modern-day alien abduction accounts reveal that shape shifters are real and have come to Earth.
The Mystery of Skinwalker Ranch
S15 E10
Nestled within a remote valley in Utah is a ranch that some believe is a hotbed of strange, inexplicable phenomena including terrifying creatures, paranormal apparitions and lights in the sky.
Aliens and the Presidents
S15 E12
The White House has consistently denied having any knowledge of alien craft visiting Earth, but presidential encounters with UFOs and other strange phenomena can be found going all the way back to George Washington.
The Badlands Guardian
S14 E2
Satellite images have revealed a giant face that appears to be carved into the Earth in Alberta, Canada, which has now become known far and wide as "The Badlands Guardian."
Element 115
S14 E3
According to physicist Bob Lazar, Element 115 is the fuel source for an alien spacecraft he was hired to reverse-engineer by the U.S. government to find a way to harness its power.
The Star Gods of Sirius
S14 E4
Aliens from the tiny star Sirius B may have visited humans in the distant past, imparting the knowledge of civilization to peoples thousands of miles apart.
They Came from the Sea
S14 E5
Lurking in the oceans are creatures that defy explanation, such as octopuses that can edit their own DNA or animals that can regenerate their entire brain; examining if the oceans are acting as a giant petri dish for alien genetic experimentation.
Secrets of the Maya
S14 E6
Spanish Conquistadors obliterated the historical record of the Maya in the 16th century, but did they wipe out evidence that ancient people traveled to the Americas from all over the world, and in flying craft provided by extraterrestrial visitors.
The Druid Connection
S14 E7
A look at if ancient Druids traveled to New England and New York's Hudson Valley centuries ago, bringing with them the beliefs and technologies of their alien mentors, the Shining Ones of Irish myth.
The Reptilian Agenda
S14 E8
Serpent gods are found in the traditions of Mesopotamia, Central and South America, India, China, Japan and the Bible; a look at if these stories describe a race of reptile-like extraterrestrials instead.
The Alien Infection
S14 E9
A look at if ancient aliens could have shaped human evolution by introducing viral epidemics on Earth.
Project Hybrid
S14 E10
Extraterrestrials could be altering human DNA and repopulating the Earth with alien-human hybrids; following the trail of evidence from ancient cultures to modern-day animal mutilations and alien abductions.
The Trans-Dimensionals
S14 E11
According to some Ancient Astronaut theorists, entities that have been described as ghosts, angels and extraterrestrials are actually visitors from unseen realms and they walk on Earth.
Islands of Fire
S14 E12
The native Hawaiians trace their ancestry to beings from the Pleiades star system called the Akua; a look at these islands and if they once had been inhabited by extraterrestrials.
The Constellation Code
S14 E13
Throughout the ancient world, structures were built to mirror the constellations in the night sky and this is only apparent when they are viewed from high above; a look at the possibility that these structures were designed as messages.
The Nuclear Agenda
S14 E14
UFOs have been reported at the world's nuclear facilities ever since the first atomic bomb in 1945, with many suspecting that extraterrestrials are watching humanity's nuclear potential.
The Alien Mountain
S14 E15
A mysterious mountain in northern Italy has stood witness to strange sightings in the sky and unexplainable phenomena for hundreds of years but could it be attracting extraterrestrial visitors and there could be technology within its rocky slopes.
The Alien Brain
S14 E16
A look at the possibility that the human brain possesses extraordinary untapped abilities granted by extraterrestrial beings -- such as telepathy, precognition and psychokinesis; abilities that will enable the next step in the evolution of humans.
The Secrets of Stonehenge
S14 E17
A shocking study reveals that the original builders of Stonehenge mysteriously vanished; but Stonehenge's mysterious Bluestone circle could have activated a portal that transported the ancient culture back to their former home among the stars.
Food of the Gods
S14 E18
Divine substances were consumed by the gods but sometimes gifted to humans to impart great power or wisdom; could the food of the gods be sustenance for alien visitors and does it lend insight into humanity's future.
Human Hieroglyphs
S14 E19
Tattoos, piercings, and body modification account for a nearly one-billion-dollar industry, but are these practices a bold form of self-expression or could they be motivated by a profound link to ancient ancestors.
The Storming of Area 51
S14 E20
In 2019, millions responded to an internet post advocating to storm the gates of the world's most top-secret military installation -- Area 51 but when they did, the U.S. military vowed to defend the base with deadly force.
Countdown to Disclosure
S14 E21
A look at if governments around the world are preparing mankind for the most startling event in human history, the official disclosure of an extraterrestrial presence on Earth.
Secrets of the Exoplanets
S14 E22
Examining some of the thousands of potentially habitable exoplanets discovered over the past 20 years and whether some of them could be home to intelligent extraterrestrial life.
The UFO Conspiracy
S13 E1
In 2017, news breaks that the Department of Defense recently spent millions investigating reports of UFOs; the latest disclosure about a series of secret government UFO projects dating back decades.
Da Vinci's Forbidden Codes
S13 E2
Researchers claim hidden messages can be found within the works of Leonardo da Vinci, and other art throughout history, that may reveal an extraterrestrial influence.
The Alien Protocols
S13 E3
In 2017, a strange, cigar-shaped object enters the solar system from another star system, traveling in such an unusual trajectory it causes some astronomers to suggest that it could be an extraterrestrial craft.
Earth's Black Holes
S13 E4
Theorists speculate about the existence of black holes on Earth, which may explain strange disappearances and other inexplicable phenomena.
The Desert Codes
S13 E5
Researchers study giant ancient drawings found etched into the desert floor, which may be a part of an ancient alien code.
Area 52
S13 E6
A look at whether or not Area 51's notoriety acts as a cover-up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations.
Earth Station Egypt
S13 E7
Ancient astronaut theorist Giorgio A. Tsoukalos explores the latest scientific discoveries at some of the world's most ancient places to find evidence that extraterrestrials visited Egypt in the distant past.
The Sentinels
S13 E10
Ancient astronaut theorists Giorgio A. Tsoukalos and David H. Childress explore a Polynesian land of bizarre figures and forbidden places in search of what could be the ultimate evidence of mankind's extraterrestrial origins.
Russia Declassified
S13 E11
A secret alliance hidden in plain sight; joint space missions; questions remain whether or not the U.S. and Russia have been working together from the very beginning of the Space Race in preparation for the ultimate extraterrestrial encounter.
They Came From the Sky
S13 E12
Ancient cultures from around the world believed that meteorites were sacred stones imbued with the power of the Gods; Ancient Astronaut theorists ask whether or not these space rocks could be pieces of extraterrestrial technology.
The Artificial Human
S13 E13
A look at whether or not intelligent robots are a threat to humanity or the next step in human evolution; as man and machine begin to merge, humanity could be fulfilling a destiny prepared for by aliens thousands of years ago.
The Alien Phenomenon
S13 E14
Erich von Däniken's "Chariots of the Gods?" suggests that aliens visited Earth in the distant past, and there are those who believe that he will be proven right.
Return to Mars
S13 E15
An examination of possible encounters humans could have once colonies are established beyond Earth.
Forged by the Gods
S12 E2
Theorists speculate about metal artifacts that could provide physical evidence of extraterrestrials visiting Earth in the distant past; in Jacksonville, Fla. a strange metallic sphere falls from the sky; an ancient aluminum wedge baffles historians.
The Mystery of Rudloe Manor
S12 E3
In Wiltshire, England, Rudloe Manor appears to be nothing more than an English manor house, but researchers argue it has been the epicenter of British research into UFOs since World War II.
The Alien Architects
S12 E4
Ancient alien theorists speculate about why many of the architectural marvels of the ancient world bear striking similarities to one another even though they were built by civilizations separated by thousands of miles.
The Pharaoh's Curse
S12 E5
According to legend, a curse was placed on the tomb of King Tutankhamun; researchers theorize that the curse came about as the result of alien technology with the purpose of protecting the truth about an otherworldly event as well as an alien device.
The Science Wars
S12 E6
Archaeologists and anthropologists make discoveries that receive no notice because they don't fit into the accepted scientific paradigm, such as an ancient hammer found in Texas or elongated skulls found on nearly every continent.
City of the Gods
S12 E7
Researchers suggest that the ancient site of Teotihuacan in central Mexico was once home to a highly advanced, perhaps extraterrestrial, civilization; excavations at Teotihuacan have unearthed discoveries out of place in the ancient world.
The Alien Frequency
S12 E8
Researchers find that dozens of megalithic sites across the globe were designed to emanate the exact same frequency, causing them to speculate that certain frequencies may allow humans to connect with extraterrestrial forces.
The Majestic Twelve
S12 E9
A memo from 1952 surfaces informing President-elect Dwight Eisenhower about the existence of a top-secret group of scientists, government officials and military personnel who are tasked with investigating reports of UFOs.
The Akashic Record
S12 E10
Researchers ask if Cloud computing represents the rediscovery of an ancient repository of knowledge known as the Akashic Record; neuroscientist Dr. Dario Nardi measures the brainwaves of Dr. Deepak Chopra as he enters a state of deep meditation.
Voices of the Gods
S12 E11
Giorgio A. Tsoukalos studies India's Sanskrit texts, which are filled with descriptions of brain surgery, flying crafts, nuclear physics, and other advanced sciences; Hindu scholars attribute this knowledge to a time when gods walked among humans.
The Animal Agenda
S12 E12
Theorists suggest that some extraterrestrials may closely resemble animals, as evidenced by gods depicted with animal traits; researchers suggest that some animals may have been planted here by aliens as part of an experiment to shape life on Earth.
A Spaceship Made of Stone
S12 E14
Japanese legend states that the Ishi-no-Hoden megalith, carved from a single rock and weighing roughly 500 tons, was built to depict a sky ship made of stone that the ancient people witnessed descending from the heavens.
The Alien Disks
S12 E15
In China, hundreds of strange disks are discovered in a cave that appear to tell the story of an ancient extraterrestrial crash on Earth; shortly thereafter, the disks are confiscated by the Chinese government and dismissed as a hoax.
Return to Gobekli Tepe
S12 E16
The ancient site of Gobekli Tepe challenges what archaeologists believe about the past; the megalithic stone complex was built over 12,000 years ago, 5,000 years before the first known civilization was said to have emerged in Mesopotamia.
Pyramids of Antarctica
S11 E1
Satellite imagery reveals what appears to be the tops of manmade pyramids in Antarctica; ancient astronaut theorists conjecture that extraterrestrials may have colonized an ice-free Antarctica before a global catastrophe plunged it into an ice age.
Destination Mars
S11 E2
Theorists suggest that a voyage to Mars will unlock ancient mysteries about the extraterrestrial origins of the human species while providing the key to its long-term survival.
The Next Humans
S11 E3
While technology spurs human evolution and takes people in a radical new direction, ancient astronaut theorists suggest that cyborg-like, super beings once walked the earth.
The New Evidence
S11 E4
Satellite images, ground-penetrating radar and thermal scanning leads to new evidence that appears to substantiate the belief held by millions of people that Earth has been visited in the past by extraterrestrial beings.
The Visionaries
S11 E5
Theorists suggest that extraterrestrials have been communicating with mathematicians and engineers through the universal language of mathematics and binary code, influencing Nikolai Fyodorov and other visionaries to advocate for space exploration.
Decoding the Cosmic Egg
S11 E6
Theorists suggest that the iconic religious symbol of the cosmic egg demonstrates that human ancestors possessed a knowledge of the DNA double-helix spiral and human biological coding.
The Wisdom Keepers
S11 E7
In Australia, Aboriginal people tell sacred stories about sky gods visiting Earth in fire-spewing crafts and "seeding" the planet.
The Mysterious Nine
S11 E8
Stories of emperors, kings and pharaohs consulting a pantheon of nine gods are found in many cultures lending credence to the theory that there is an intergalactic council of nine working behind the scenes to monitor and guide humanity.
The Hidden Empire
S11 E9
Theorists suggest that compelling evidence of extraterrestrial visitation exists in China, the cradle of one of the earliest and most influential civilizations on Earth.
The Prototypes
S11 E10
Recent archaeological finds suggest that humans once shared the planet with various types of intelligent human-like species in a real-life version of "The Lord of the Rings."
Space Station Moon
S11 E11
After Apollo 17 in 1972, the United States ends the Apollo program, leaving some to wonder if the astronauts found more than what NASA wants the public to know.
Russia's Secret Files
S11 E12
Many believe that the rise of communism led to secrecy surrounding ancient and modern extraterrestrial contact in Russia; theorists point to the archeological site of Arkaim as evidence that extraterrestrial visitations took place in Russia.
The Returned
S11 E14
Ancient mythologies tell stories of humans being abducted by otherworldly beings, even as thousands of people continue to report being taken by aliens and then returned with implants and genetic mutations.
Shiva the Destroyer
S11 E15
Theorists suggest that Shiva, an important Hindu god, may have been the leader of an extraterrestrial faction that came to Earth wielding advanced technology, pointing to an ancient rock-cut Hindu temple as proof.
Aliens B.C.
S10 E1
Modern archaeologists are continuously discovering artifacts and sites that defy the conventional timeline of human history.
NASA's Secret Agenda
S10 E2
Wernher von Braun's prediction that people would explore Mars and build a space station has become reality.
Aliens and Robots
S10 E3
Robots are being programmed to do everything from performing surgery on humans, to investigating other planets; humanoid robots are quickly reaching a level of sophistication that was thought to exist only in science fiction.
The Alien Evolution
S10 E5
Theorists have suggested that many of the divine beings depicted in cultures actually reflect extraterrestrial visitations that human ancestors did not understand.
The Other Earth
S10 E6
Scientists have found thousands of planets capable of supporting life; possibly answering the question of whether or not human life is alone in the universe.
Creatures of the Deep
S10 E7
In August of 2014, Russian cosmonauts aboard the International Space Station discover living sea plankton covering parts of the windows; there might be alien life forms that inhabit the seas.
Circles From the Sky
S10 E8
Over 10,000 crop circles, appearing in 50 different countries, have been reported; examining whether they are all part of an elaborate hoax or not.
The Alien Wars
S10 E9
On March 19th, 2002, Gary McKinnon was arrested for hacking into 97 computers over a 13-month period; McKinnon claims that he found evidence of a secret American space fleet.
The Forbidden Zones
S10 E10
Specific regions of the world that are off-limits to exploration due to warfare, instability and inaccessibility.
The Genius Factor
S9 E4
Many brilliant minds believed they did not possess genius, but rather genius possessed them, like a spirit.
Alien Resurrections
S9 E6
Taking a look at incredible stories of the dead rising from their graves; mummies traveling into the afterlife; people on the brink of death mixing with deceased relatives in a celestial netherworld.
Alien Messages
S9 E7
Messages embedded in sacred religious texts, as well as in the design and location of ancient monuments that may reveal the purpose behind human existence.
The Great Flood
S9 E8
New evidence suggests that many aspects in the mythical stories of a deluge sent by the gods to engulf the world may actually be true.
Hidden Pyramids
S9 E10
Infrared satellite technology detects pyramids hidden underneath the sand in Egypt and airborne laser sensors discover long-lost pyramids beneath the jungles of Central America; recent excavations reveal fascinating new facts about pyramids.
The Vanishings
S9 E11
Stories of civilizations large and small disappearing without a trace can be found throughout history and across the globe.
Alien Transports
S8 E1
Theorists speculate that ancient stories about fiery chariots, flying carpets and fire-breathing dragons could be descriptions of misunderstood technology involving mysterious crafts.
Mysterious Devices
S8 E3
Mysterious devices, including a 2,000-year-old computer, a power plant in the Great Pyramid, and a Nazi-era time machine.
The Reptilians
S8 E5
The myths behind reptilian aliens may provide evidence that suggests the creatures are more than just science fiction.
The Tesla Experiment
S8 E6
Inventor Nikola Tesla guided mankind toward a new industrial era.
The God Particle
S8 E7
In 2012, scientists at the CERN laboratory announce the discovery of the God Particle, which may have been left on Earth by extraterrestrial beings and may reveal the truth about human origins.
Alien Encounters
S8 E8
Stories of strange encounters during major events in history and myths containing gods that intervene in human affairs may be early accounts of alien encounters.
Aliens and Stargates
S7 E1
Sacred entryways to the land of the gods; researchers uncover a mysterious and toxic cave in Turkey; otherworldly creatures appear and disappear in Mexico.
The Star Children
S7 E3
Children being born on Earth today can access their alien DNA to utilize special gifts and the power to transform society.
Treasures of the Gods
S7 E4
Mysterious relics and sealed vaults may have been hidden on purpose and protected by an extraterrestrial source.
Aliens and the Red Planet
S7 E5
Probes have been sending information about Mars back to scientists for nearly 40 years. Photographs of the planet reveal mysteries that could mean life on Mars.
The Shamans
S7 E6
Spiritual leaders known as shamans have healed, protected and advised people throughout history. Exploring the possibility that shamans communicated with extraterrestrials to influence mankind.
Aliens and Insects
S7 E7
Insects that have inhabited Earth for hundreds of millions of years may provide a link to extraterrestrial beings.
Alien Breeders
S7 E8
Mythological tales of intimate encounters with otherworldly beings point to possible alien intervention contributing to the genetic makeup of humans.
The Power of Three
S6 E1
The ancient Egyptian design of the three pyramids of Giza; diverse cultures worship the all-knowing triads; an ancient tablet noted the power of the number three; the language of human DNA is written in a pattern of threes.
The Crystal Skulls
S6 E2
Thirteen crystal skulls which are believed to hold a mystical power whose secrets will be revealed when the skulls come together to form a global grid.
The Anunnaki Connection
S6 E3
In ancient Mesopotamia, the Sumerians make advances in agriculture, science, medicine, and astronomy, crediting these achievements to winged gods known as the Anunnaki.
Magic of the Gods
S6 E4
Accounts of magic suggest possible evidence of advanced otherworldly knowledge.
The Satan Conspiracy
S6 E5
Ancient texts indicate that Satan may have been an extraterrestrial who was more of an ally to humanity than an enemy by passing along knowledge that planted the seed for civilization.
Emperors, Kings and Pharaohs
S6 E7
Investigating the possible connection between powerful rulers of the past and extraterrestrial forces.
Mysterious Relics
S6 E8
Theorists ask whether the truth of humankind's origins can be found in the mysterious relics revered by ancient cultures for thousands of years and found on display in museums, temples and churches.
Aliens and Forbidden Islands
S6 E9
Remote islands may hold evidence of UFO activity; legends of lost islands, advanced civilizations and Eden-like paradises told by sailors throughout human history may point to ancient alien origins.
Aliens and The Lost Ark
S6 E10
The Ark of the Covenant is said to have divine powers.
Aliens and Mysterious Mountains
S6 E11
Exploring why ancient civilizations believed mountains were the homes of gods.
Secrets of the Pyramids
S5 E1
Researchers explore the strange similarities among pyramids in Egypt, Central and South America, China, Africa, and Indonesia, including a possible extraterrestrial link connecting these structures.
Aliens and Cover Ups
S5 E2
In 1980, three young military men are sent into a UK forest to investigate strange lights, and they reportedly find a spacecraft, then they are ordered to never speak of the incident again; UFO encounters kept under wraps and what they reveal.
Alien Power Plants
S5 E3
Ancient alien theorists speculate about the depiction of light bulbs in Egyptian hieroglyphs and the batteries discovered among Mesopotamian artifacts and whether extraterrestrials introduced electricity to ancient peoples.
Destination Orion
S5 E4
Researchers suggest that the Orion constellation may have been a star-gate or an entry point for extraterrestrials visiting Earth for thousands of years.
Secrets of the Tombs
S5 E6
Archeologists uncover ancient tombs filled with strange items and writings; remarkable similarities found at these sites cause theorists to believe that some of these technically advanced tombs were designed with the help of extraterrestrials.
Prophets and Prophecies
S5 E7
Historical prophets may have had alien influences; there are some who believe that extraterrestrials have used intermediaries; they were used to transmit important moral, philosophical and artistic codes to humanity.
Beyond Nazca
S5 E8
Hundreds of gigantic lines extend for miles throughout the Peruvian desert; scholars are divided as to who built them, and why; experts say Nazca may have been a mining operation for advanced beings.
Strange Abductions
S5 E9
In 1975, Travis Walton claims to have been abducted by extraterrestrial beings, but researchers say that alien abductions have been taking place for thousands of years, as depicted in biblical stories of abductions by otherworldly beings.
The Von Daniken Legacy
S5 E10
Erich von Daniken's theories that have ignited a movement known as Ancient Astronaut Theory.
The Viking Gods
S5 E11
A look into the Norse Viking; how they became teachers and destroyers; the gods they worshipped were fearsome and mysterious.
The Monoliths
S5 E12
Extraordinary feats of construction, created without the use of advanced tools or technology, can be found from the jungles of Costa Rica to England's rural countryside.
The Mayan Conspiracy
S4 E1
Extraterrestrial visitors may have influenced Mayan culture and helped ancient Mayans make striking advances in science, mathematics, time keeping, and astronomy.
The Doomsday Prophecies
S4 E2
The end of the Mayan Long Count Calendar and potential alien explanations for what may come.
Aliens and Mega-Disasters
S4 E4
Natural disasters in the ancient world, including volcanic eruptions, earthquakes, floods, and meteor strikes may have originated with the meddling of celestial beings.
The NASA Connection
S4 E5
Research into alien contact in the recent past including evidence from former astronauts, secret government files, and NASA scientists.
The Mystery of Puma Punku
S4 E6
A 14,000-year-old set of ruins with complex interlocking blocks defies explanation; some believe their origin may be extraterrestrial.
Aliens and Bigfoot
S4 E7
While ancient myths and legends speak of an ape-like giant stalking the earth, theorists speculate that Bigfoot creatures belong to an alien species that once visited Earth in the distant past.
The Da Vinci Conspiracy
S4 E8
Examinig Leonardo da Vinci's paintings, sketches and journals looks for knowledge of otherworldly technology and aliens.
The Time Travelers
S4 E9
Considering the possibility that sightings of alien beings or UFOs may be evidence of time travelers from the future.
Aliens and Dinosaurs
S4 E10
Ancient alien theorists wonder about the depiction of a stegosaurus in Angkor Wat, the world's largest ancient religious temple, and ask how the ancients could have known about dinosaurs.
Aliens and the Old West
S3 E1
A cemetery in Aurora, Texas claims to hold the body of an alien; petroglyphs depict strange beings in Utah; 19th century ranchers report seeing an otherworldly creature emerge from Elizabeth Lake; the home of Wyatt Earp in Tombstone, Ariz.
Aliens and Monsters
S3 E2
Theorists speculate that a flying creature described by Hindu scripture may have been an alien craft; researchers wonder whether centaurs and other fabled creatures were the result of extraterrestrial transplantation procedures.
Aliens and Sacred Places
S3 E3
Jerusalem's Temple Mount; Islam's shrine at Mecca; the temple at Baalbek, Lebanon.
Aliens and Temples of Gold
S3 E4
A church in southern France is said to hold the key to alchemy; locals in Peru believe UFO sightings are connected to lost gold at the bottom of Lake Puray; a library left behind by extraterrestrials.
Aliens and Mysterious Rituals
S3 E5
Festivals, coronations, funerals, and other modern rituals could reflect attempts by early humans to emulate ancient alien visitors.
Aliens and Ancient Engineers
S3 E6
An ancient mountaintop fortress in Peru constructed with laser-like tools; temples at Vijayanagara India harness cosmic energy; an acoustic chamber in Malta enables interplanetary communication.
Aliens, Plagues and Epidemics
S3 E7
Perplexed by unidentified bacteria, some scientists believe plagues and epidemics can be linked with extraterrestrial interventions.
Aliens and Lost Worlds
S3 E8
Strange carvings in the Mayan city of Copan; the ancient Nazca people who altered their bodies and land.
Aliens and Deadly Weapons
S3 E9
From gunpowder to missiles, ancient alien theorists speculate that lethal weapons may have been created with the help of extraterrestrials.
Aliens and Evil Places
S3 E10
An investigation into the possible connection between extraterrestrial activity and the places with evil reputations, such as Australia's Black Mountains and the forest at the base of Mount Fuji in Japan.
Aliens and the Founding Fathers
S3 E11
The founding fathers knowledge of aliens shows up in symbols, architecture and the founding documents of the United States of America.
Aliens and Deadly Cults
S3 E12
People who have claimed to have otherworldly knowledge lead followers to commit horrific acts of violence.
Aliens and the Secret Code
S3 E13
People consider whether ancient man's spectacular structures were built by humans alone or with otherworldly visitors.
Aliens and the Undead
S3 E14
Theorists speculate about age-old stories of encounters with zombies, vampires and undead creatures and whether these stories point to meetings with extraterrestrials.
Aliens and the Creation of Man
S3 E16
Unexplained advances in human evolution point to the work of interstellar beings.
Mysterious Places
S2 E1
Planes and ships go missing in the Bermuda Triangle; magnetic anomalies in Mexico's Zone of Silence; an ancient doorway carved in Peru's Puerta de Hayu Marka; Markawasi's plateau' strange rock formations.
Underground Aliens
S2 E4
A cave in Ecuador that may contain books with secrets of alien technology; an ancient underground city in Turkey; rumors of the U.S. military working alongside aliens in a secret base; recent archaeological discoveries in the Yucatan.
Alien Tech
S2 E6
Investigating whether mankind's quest to unlock the secrets of technology came from our imaginations or from otherworldly beings.
Angels and Aliens
S2 E7
Investigating whether angels might really be travelers visiting Earth from distant planets.
Unexplained Structures
S2 E8
Evidence of ancient aliens found in mysterious structures throughout the world.
Alien Devastations
S2 E9
The story of the Great Flood; extraterrestrial battles that caused wide-scale destruction; reports of UFOs lurking in the shadows of recent natural disasters; The Book of Revelations and the Dead Sea Scrolls.
Alien Contacts
S2 E10
Joan of Arc's defeat of the English Army; a young boy from India learns advanced mathematical formulas; an American serviceman receives a message while touching an alien aircraft; the ancient astronaut theory.
The Evidence
S1 E1
Searching for clues about whether aliens visited ancient Earth in Indian Sanskrit texts, megalithic stone structures in Egypt and Jewish Zohar writings.
The Visitors
S1 E2
Investigating possible historic evidence and beliefs around the globe in search of signs that aliens visited ancient Earth; Hopi and Zuni Indians celebrate Kachina sky gods; the Chinese legend of Huangdi arriving on Earth on a flying dragon.
The Mission
S1 E3
Strange evidence in cultures throughout history indicates aliens came to Earth on missions to explore, obtain raw materials, experiment on humans and conquer; Sumerian tablets describe an alien race; Egyptian hieroglyphs depict hybrid creatures.
The Return
S1 E5
Examining possible evidence of 20th-century alien contact, including a 1942 aerial battle over Los Angeles and reports of a 1947 UFO crash in Roswell, N.M.