Season
Season 1 Episode
- Season 1 Extraordinary Engineering
- Season 1 Ancient Close Encounters
- Season 1 Sky Gods and Star Beings
- Season 1 Human Genesis
- Season 1 Mysterious Underground Worlds
- Season 1 Alien Arsenal
- Season 1 Mystery of the Pyramids
- Season 1 Alien Observatories
- Season 1 Extraterrestrial Devices (Alien Technology)
- Season 1 Submerged Evidence
- Season 1 Alien Beacons
- Season 1 Alien Messengers
Ancient Aliens: Origins
4.50 48 minutes 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.
