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The Best Episodes of Ancient Aliens

Every episode of Ancient Aliens ranked from best to worst. Let's dive into the Best Episodes of Ancient Aliens!

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.

Genres:DocumentaryMysterySci-Fi & Fantasy
Network:History

Top Episode Highlight

The best episode of "Ancient Aliens" is "Secrets Of The Sumerians", rated 8.3/10 from 26 user votes. It was directed by N/A and written by N/A. "Secrets Of The Sumerians" aired on 2/23/2024 and is rated 0.1 point(s) higher than the second highest rated, "Mystery of the Lost Civilization".

  • Secrets Of The Sumerians
    8.3/10 26 votes

    #1 - Secrets Of The Sumerians

    Season 20 Episode 7 - Aired 2024-02-23

    More than 7,000 years ago, the ancient Sumerians established what is considered the world's first civilization and they credited their extraordinary achievements to their gods, the Anunnaki. But is it possible that these powerful beings were, in fact, extraterrestrial visitors to Earth?

    Director: N/A

    Writer: N/A

  • Mystery of the Lost Civilization
    8.2/10 55 votes

    #2 - Mystery of the Lost Civilization

    Season 19 Episode 3 - Aired 2023-01-20

    The discovery of the ancient megalithic site of Karahan Tepe in southern Turkey turned the world of archaeology on its head, displaying engineering skills far beyond what the people of the time were thought to be capable of. But could new evidence reveal that this more than 11,000-year-old complex was built not by humans…but giants?

    Director: N/A

    Writer: N/A

  • Edgar Cayce: The Sleeping Prophet
    8.2/10 33 votes

    #3 - Edgar Cayce: The Sleeping Prophet

    Season 19 Episode 15 - Aired 2023-08-04

    In the early 1900s, a modern-day prophet from the hills of Kentucky became a worldwide sensation: Edgar Cayce. He claimed to receive visions of both the past and the future while in a trance, he healed the sick, and alleged to have encounters with otherworldly beings. Could it be that Edgar Cayce was a vessel used to carry out an alien agenda?

    Director: N/A

    Writer: N/A

  • The Top Ten Pyramid Sites
    8.1/10 43 votes

    #4 - The Top Ten Pyramid Sites

    Season 19 Episode 11 - Aired 2023-06-30

    Ancient Aliens is counting down the world’s top ten pyramid sites, from a valley in Peru with over 250 hidden pyramids to an ancient Greek city with mysterious 4800-year-old ruins to Egypt’s famous Giza Plateau. Could the extraordinary structures that stand at these sites provide evidence of extraterrestrial visitation?

    Director: N/A

    Writer: N/A

  • William Shatner Meets Ancient Aliens
    8.0/10 108 votes

    #5 - William Shatner Meets Ancient Aliens

    Season 16 Episode 6 - Aired 2021-02-12

    In this extraordinary two-hour special, Shatner will bring thought-provoking questions to the leading experts of the show. Ancient Astronaut theorists Giorgio Tsoukalos, Erich von D niken, David Childress, William Henry and Linda Moulton Howe will be joined by former British Ministry of Defense investigator Nick Pope, rocket scientist Dr. Travis Taylor, theoretical physicist Dr. Michio Kaku, and religious history experts Rabbi Ariel Bar Tzadok and Reverend Michael Carter. They will explore everything from human origins to groundbreaking archaeological finds, new understandings of the cosmos and the profound possibility that we are not alone in the universe.

    Director: N/A

    Writer: N/A

  • The Mystery of Puma Punku
    7.9/10 188 votes

    #6 - The Mystery of Puma Punku

    Season 4 Episode 6 - Aired 2012-03-16

    At nearly 14,000 years old, the ruins of Puma Punku are the oldest and most baffling on the face of the Earth. No one knows who designed and built this complex of sophisticated inter-locking blocks, and then vanished. Researchers investigate the ruins on-location in Peru and present new computer analyses. Forensic evidence on the ground, together with local myths and legends, suggest this site may have been designed and even once inhabited by a species of extraterrestrials.

    Director: N/A

    Writer: N/A

  • Space Station Moon
    7.9/10 120 votes

    #7 - Space Station Moon

    Season 11 Episode 11 - Aired 2016-07-29

    It was mankind's finest hour, the greatest technological achievement of the 20th Century--the Apollo 11 mission to the Moon. But the Apollo program was short-lived, and after Apollo 17 in 1972, we never went back. Could it be that we encountered something--or someone--on the Moon? Did the Apollo astronauts witness more than NASA wants us to know? The Moon is the most visible celestial body in the night sky and is essential to life on Earth. But what if the Moon is not the natural object we believe it to be? Unidentified lunar objects in NASA photography may point to extraterrestrial structures on the moon, and possibly evidence of what lies beneath the surface. Some Ancient Astronaut theorists have even suggested that the Moon is actually an artificial object, placed in its current position by otherworldly beings thousands of years ago.

    Director: N/A

    Writer: N/A

  • The Mystery of Nan Madol
    7.9/10 124 votes

    #8 - The Mystery of Nan Madol

    Season 15 Episode 1 - Aired 2020-01-25

    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.

    Director: N/A

    Writer: N/A

  • Impossible Artifacts
    7.9/10 87 votes

    #9 - Impossible Artifacts

    Season 16 Episode 7 - Aired 2021-02-19

    Throughout the world, ancient objects have been found that leave archaeologists at a loss. Could these impossible artifacts suggest that advanced--and perhaps even extraterrestrial--civilizations existed on Earth thousands of years before our own?

    Director: N/A

    Writer: N/A

  • Return of the Egyptian Gods
    7.9/10 52 votes

    #10 - Return of the Egyptian Gods

    Season 18 Episode 20 - Aired 2022-09-16

    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?

    Director: N/A

    Writer: N/A

  • Aliens in our Airspace
    7.9/10 45 votes

    #11 - Aliens in our Airspace

    Season 19 Episode 9 - Aired 2023-03-10

    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. Could they have witnessed aliens in our airspace?

    Director: N/A

    Writer: N/A

  • The New UFO Hunters
    7.9/10 31 votes

    #12 - The New UFO Hunters

    Season 19 Episode 17 - Aired 2023-08-18

    In the 21st century, UFOs have gone from fringe science to mainstream obsession. A new generation of UFO hunters is employing incredible technology, and Unidentified Flying Objects are being openly investigated by the government. Are we closer than ever to understanding the strange events happening in our skies?

    Director: N/A

    Writer: N/A

  • Mysteries of Scotland
    7.9/10 22 votes

    #13 - Mysteries of Scotland

    Season 20 Episode 9 - Aired 2024-03-08

    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.

    Director: N/A

    Writer: N/A

  • Pyramids of Antarctica
    7.8/10 129 votes

    #14 - Pyramids of Antarctica

    Season 11 Episode 1 - Aired 2016-05-06

    Is there evidence of ancient technology buried beneath the ice of the most southern continent?

    Director: N/A

    Writer: N/A

  • Destination Mars
    7.8/10 119 votes

    #15 - Destination Mars

    Season 11 Episode 2 - Aired 2016-05-13

    Within 20 years, we are expecting to send the first colonizers to the Red Planet. Astronauts will brave the six-month journey to become the first extraterrestrials visitors to Mars--where they are expected to live and die there, never to return to Earth. But why have we always had a strange fascination with this particular planet? The latest NASA research has revealed that not only is there evidence of liquid water on the planet, but that life on Earth was most likely seeded on Mars. Ancient Astronaut theorists even suggest that the development of life on Earth may have similarities to how scientists are currently planning to keep humans alive on the red planet. Could extraterrestrials from Mars have colonized Earth in our remote past? Could our voyage to Mars not only unlock the mysteries of our ancient, extraterrestrial origins--but also be the key to the long-term survival of the human species?

    Director: N/A

    Writer: N/A

  • The Alien Architects
    7.8/10 107 votes

    #16 - The Alien Architects

    Season 12 Episode 4 - Aired 2017-05-19

    Many of the architectural marvels of the ancient world bear striking similarities to one another, even though they were built by civilizations that were separated by thousands of miles and are believed to have had no contact with one another. Separated by more than 7500 miles, the Giza pyramid complex in Giza, Egypt and the Avenue of the Dead in Teotihuacan, Mexico contain pyramids that are aligned with the constellation of Orion's belt. An ancient pyramid temple in Cambodia known as Baksei Chamkrong is an almost identical match for the Temple of the Jaguar in Guatemala. Many structures built using stone slabs that weighed over a hundred tons. But how did primitive people achieve such extraordinary feats? And why do we see such similarities? Could these sites have all been designed by alien architects?

    Director: N/A

    Writer: N/A

  • Islands of Fire
    7.8/10 88 votes

    #17 - Islands of Fire

    Season 14 Episode 12 - Aired 2019-08-23

    The native Hawaiians trace their ancestry to beings from the Pleiades star system called the Akua. Could these islands have once been inhabited by extraterrestrials? And is it possible that the enormous energy generated by Hawaii's volcanic activity could produce a portal through space and time?

    Director: N/A

    Writer: N/A

  • The Power of the Obelisks
    7.8/10 47 votes

    #18 - The Power of the Obelisks

    Season 19 Episode 4 - Aired 2023-02-03

    The towering obelisks of ancient Egypt weigh hundreds of tons and each was perfectly carved from a single granite rock. While mainstream scholars identify them as monuments to the pharaohs, Ancient Astronaut Theorists suggest they may have served a technological purpose–they powered a technology that allowed for communication with the gods who came from the stars.

    Director: N/A

    Writer: N/A

  • The Giants of Malta
    7.8/10 46 votes

    #19 - The Giants of Malta

    Season 19 Episode 10 - Aired 2023-03-17

    Enormous, megalithic structures of mysterious origins. A vast underground complex containing the remains of what some believe to be otherworldly beings. Could the ancient mysteries that exist on the Mediterranean islands of Malta be connected to local legends of alien visitation–and giant hybrid beings?

    Director: N/A

    Writer: N/A

  • Aliens and Ancient Engineers
    7.7/10 189 votes

    #20 - Aliens and Ancient Engineers

    Season 3 Episode 6 - Aired 2011-09-01

    Might the tools and technology of ancient builders have come from distant galaxies? Evidence suggests that an ancient mountaintop fortress in Peru was constructed with laser-like tools... temples at Vijayanagara India were built to harness cosmic energy... and an acoustic chamber in Malta enabled interplanetary communication. If the ancient builders did use advanced technology, could it prove that aliens visited Earth thousands of years ago?

    Director: N/A

    Writer: N/A

  • The God Particle
    7.7/10 147 votes

    #21 - The God Particle

    Season 8 Episode 6 - Aired 2014-08-08

    It has been called the key to the universe and possibly the most important scientific breakthrough of all time. Could the so-called "God Particle" reveal the truth about our origins? And might clues to its significance have been left here on Earth thousands of years ago by extraterrestrial beings? The age-old question, "where did we come from?" remains a mystery, but in 2012, scientists at CERN laboratory announced the discovery of the "God Particle"--the subatomic particle that is believed to give mass to matter--and offers a closer understanding of just how the universe began. The discovery seemingly pitted science against religion. But could science and religion actually be kindred spirits? Many ancient religions and mythologies describe the origins of the universe in ways very similar to today's scientific explanations and proclaim that this information was given to them by otherworldy beings.

    Director: N/A

    Writer: N/A

  • Element 115
    7.7/10 118 votes

    #22 - Element 115

    Season 14 Episode 3 - Aired 2019-06-14

    The Infamous Alien "Element 115" mentioned by Bob Lazar over a decade ago is added to periodic table nowadays.

    Director: N/A

    Writer: N/A

  • The World Before Time
    7.7/10 83 votes

    #23 - The World Before Time

    Season 15 Episode 6 - Aired 2020-02-29

    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 then’ And did they leave behind a record that they lived alongside extraterrestrial beings’

    Director: N/A

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  • The Forbidden Bible
    7.7/10 69 votes

    #24 - The Forbidden Bible

    Season 16 Episode 5 - Aired 2020-12-18

    Rebellious angels, giant hybrid beings, and humans taken up to a heavenly realm above the Earth; examining the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins.

    Director: N/A

    Writer: N/A

  • The Crop Circle Code
    7.7/10 50 votes

    #25 - The Crop Circle Code

    Season 19 Episode 2 - Aired 2023-01-13

    More than 10,000 crop circle formations have been documented in over 50 countries, and many display properties that defy conventional explanations. Are they of otherworldly origin? And if so, what is their purpose? Could it be that reconnection with our alien ancestors will only come when we finally crack the crop circle code?

    Director: N/A

    Writer: N/A