Revisit the most compelling mysteries explored over the past 15 years of "Ancient Aliens." Experts like Giorgio Tsoukalos, David Childress, William Henry, and Jason Martell engage in conversations around Ancient Astronaut Theory in each episode.
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Seasons & Episodes
Season 1 (12 Episodes) ▼
E1: Extraordinary Engineering▶ PLAY
E2: Ancient Close Encounters▶ PLAY
E3: Sky Gods and Star Beings▶ PLAY
E4: Human Genesis▶ PLAY
E5: Mysterious Underground Worlds▶ PLAY
E6: Alien Arsenal▶ PLAY
E7: Mystery of the Pyramids▶ PLAY
E8: Alien Observatories▶ PLAY
E9: Extraterrestrial Devices (Alien Technology)▶ PLAY
