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.
Giorgio A. Tsoukalos
Robert Clotworthy
Jason Martell
William Henry
David Childress
Score: 6.5
Score: 8.0
Score: 7.0
Score: 4.0
Score: 7.5
Score: 7.0
Score: 7.5
Score: 8.4
