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Giorgio Tsoukalos, Erich von Däniken, David Childress

Watch Full Episodes of Ancient Aliens

Watch Ancient Aliens Season 12

Investigators scour the globe in a quest for evidence to determine whether life on Earth began in outer space or if extraterrestrials influenced mankind in ancient times.
  • The Alien Hunters
    Episode 142 mins
    A series of events and sightings prompts U.S. government officials to become alien hunters.
  • Forged by the Gods
    Episode 242 mins
    Metal artifacts may provide evidence of extraterrestrials visiting Earth in the distant past.
  • The Mystery of Rudloe Manor
    Episode 342 mins
    Researchers argue that an English manor house is the epicenter of British research into UFOs.
  • The Alien Architects
    Episode 442 mins
    Theorists explain why ancient architectural marvels bear striking similarities to one another.
  • The Pharaoh's Curse
    Episode 542 mins
    Researchers theorize that the curse on King Tut's tomb came about as the result of alien technology.
  • The Science Wars
    Episode 642 mins
    Scientists make discoveries that don't fit into the accepted scientific paradigm.
  • City of the Gods
    Episode 742 mins
    Researchers suggest that the site of Teotihuacan was once home to an extraterrestrial civilization.
  • The Alien Frequency
    Episode 842 mins
    Researchers find that dozens of megalithic sites were designed to emanate the exact same frequency.
  • The Majestic Twelve
    Episode 942 mins
    A 1952 memo surfaces about a top-secret U.S. government group tasked with investigating UFOs.
  • The Akashic Record
    Episode 1042 mins
    Researchers ask if Cloud computing represents the rediscovery of an ancient repository of knowledge.
  • Voices of the Gods
    Episode 1142 mins
    India's Sanskrit texts are filled with descriptions of nuclear physics and other advanced sciences.
  • The Animal Agenda
    Episode 1242 mins
    Researchers suggest that some animals may have been planted here by aliens as part of an experiment.
  • The Replicants
    Episode 1342 mins
    Theorists suggest that aliens designed the human body to be a vessel for otherworldly entities.
  • A Spaceship Made of Stone
    Episode 1442 mins
    Japan's Ishi-no-Hoden megalith was carved from a single rock and weighs roughly 500 tons.
  • The Alien Disks
    Episode 1542 mins
    Disks are discovered in a cave in China that appear to tell the story of an extraterrestrial crash.
  • Return to Gobekli Tepe
    Episode 1642 mins
    The ancient site of Gobekli Tepe challenges what archaeologists believe about the past.

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