Ancient Aliens

Season 19 Episode 19: The Top Ten Mysteries of the Deep

Counting down 10 mysteries of the deep, from sunken continents to puzzling ruins on the ocean floor and even artifacts that might be remnants of Atlantis; these underwater mysteries could provide a record of extraterrestrial visitation.

Genre:

Documentary, Mystery, Sci-Fi & Fantasy

Seasons:

22

Episodes:

290

Cast:

Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok

Quality:

HD

Duration:

42 min

First Air:

2010

Rating:

7.1