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.
2010 · Series
2020 · Series
1999 · Series
2014 · Series
1964 · Series
2018 · Series
1988 · Series
2007 · Series
2005 · Series
2019 · Series
2000 · Series
2023 · Series
2024 · Series
1978 · Series