Full Episodes

• Ancient Aliens: Aliens and Ancient Engineers
  Ancient Aliens: Aliens and Ancient Engineers

  Video Clip (44:12)

  Evidence suggests that ancient builders used highly advanced tools and technology, indicating that aliens visited the earth thousands of years ago.

  Video Clip (44:12)
• Ancient Aliens: Aliens and Mysterious Rituals
  Ancient Aliens: Aliens and Mysterious Rituals

  Video Clip (44:12)

  Could ancient rites and rituals have connected humans to alternate dimensions inhabited by extraterrestrials?

  Video Clip (44:12)
• Ancient Aliens: Aliens and Dinosaurs
  Ancient Aliens: Aliens and Dinosaurs

  Video Clip (44:12)

  Did the dinosaurs fall victim to a cosmic collision, or were they exterminated deliberately?

  Video Clip (44:12)
• Ancient Aliens: The Time Travelers
  Ancient Aliens: The Time Travelers

  Video Clip (44:12)

  Could alien beings and UFOs actually be evidence of time travelers from the future?

  Video Clip (44:12)
• Ancient Aliens: The Da Vinci Conspiracy
  Ancient Aliens: The Da Vinci Conspiracy

  Video Clip (44:11)

  A few of Leonardo da Vinci's concepts were centuries ahead of their time. Could he have received some help from extraterrestrials?

  Video Clip (44:11)
• Ancient Aliens: The Monoliths
  Ancient Aliens: The Monoliths

  Video Clip (44:10)

  Did ancient monoliths possess advanced, extraterrestrial powers we have yet to understand?

  Video Clip (44:10)
• Ancient Aliens: Aliens and Bigfoot
  Ancient Aliens: Aliens and Bigfoot

  Video Clip (44:09)

  Bigfoot sightings can be traced back to ancient civilizations, and some believe the elusive creature has extraterrestrial origins.

  Video Clip (44:09)
• Ancient Aliens: The Viking Gods
  Ancient Aliens: The Viking Gods

  Video Clip (44:09)

  The gods worshiped by the Norse Vikings were fearsome and mysterious. Were these beings truly divine, or was there an extraterrestrial connection?

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• Ancient Aliens: The Von Daniken Legacy
  Ancient Aliens: The Von Daniken Legacy

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  Erich von Daniken's controversial ancient astronaut theory has inspired a worldwide movement.

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• Ancient Aliens: Beyond Nazca
  Ancient Aliens: Beyond Nazca

  Video Clip (44:10)

  Hundreds of gigantic lines shaped like animals, geometric patterns and even aliens extend for miles throughout this remote Peruvian desert.

  Video Clip (44:10)
• Ancient Aliens: Prophets and Prophecies
  Ancient Aliens: Prophets and Prophecies

  Video Clip (44:10)

  For thousands of years, human civilization has been guided by the words and deeds of ancient prophets, but just who or what were these prophets communicating with?

  Video Clip (44:10)
• Ancient Aliens: The Einstein Factor
  Ancient Aliens: The Einstein Factor

  Video Clip (44:12)

  Is it possible there was an extraterrestrial connection to the scientific genius of famous historical figures such as Albert Einstein, Galileo, Archimedes and Aristotle?

  Video Clip (44:12)
• Ancient Aliens: Destination Orion
  Ancient Aliens: Destination Orion

  Video Clip (44:10)

  Is there a connection between ancient monuments and the Orion nebula? Researchers believe this point in the night sky may have been a "stargate" for alien life forms on Earth.

  Video Clip (44:10)
• Ancient Aliens: Alien Power Plants
  Ancient Aliens: Alien Power Plants

  Video Clip (44:12)

  Did ancient civilizations understand electricity, and if so, did they have help from extraterrestrials?

  Video Clip (44:12)
• Ancient Aliens: Aliens and Cover-Ups
  Ancient Aliens: Aliens and Cover-Ups

  Video Clip (44:12)

  Why do some people believe that the government keeps reports of UFO encounters under wraps, and what might these cover-ups reveal about our ancient past?

  Video Clip (44:12)
• Ancient Aliens: Secrets of the Pyramids
  Ancient Aliens: Secrets of the Pyramids

  Video Clip (44:10)

  Explore the mysterious and otherworldly similarities shared by pyramids located in different places around the world.

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• Ancient Aliens: Strange Abductions
  Ancient Aliens: Strange Abductions

  Video Clip (44:17)

  Have extraterrestrials been abducting humans for thousands of years?

  Video Clip (44:17)