Where To Stream Ancient Aliens Season 19 Episode 19
The Top Ten Mysteries of the Deep
- Aired September 8, 2023
- 60 Min
- Rated 6.3
- Number 287 Of 292 Rated Episodes
Ancient Aliens is counting down the top ten mysteries of the deep, from sunken continents to puzzling ruins on the ocean floor and even artifacts that might be remnants of Atlantis. Could these underwater mysteries provide a record of extraterrestrial visitation?