What Lies Below? (S04E03)
S04E03
More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier. As new technology allows us to explore oceans and deep lakes more than ever before, what will we find? Will we discover profound secrets about the oceans? Underwater ruins that were lost for thousands of years? Or perhaps something even more extraordinary?
Show
The UnXplained
Episode
S04E03
Air Date
Apr 08, 2022
Season 4 Episodes
S04E01
Mysterious Ancient Ruins
S04E02
The Mystery of Genius
S04E03
What Lies Below?
S04E04
Secrets of Abandoned Places
S04E05
Acts of God
S04E06
Serial Killer Creatures
S04E07
Mysterious Tombs
S04E08
Uncanny Curses
S04E09
Superhuman Feats
S04E10
Mysteries of the Missing Link
S04E11
Surviving the Impossible
S04E12
The Search For King Arthur
S04E13
Wonders of the Ancient World
S04E14
The Hunt For Jack The Ripper
S04E15
The Search for Extraterrestrial Life
S04E16
Real Life Monsters
S04E17
America's Lost Treasures
S04E18
The Bermuda Triangle and the Beyond
S04E19
Secrets of the Founding Fathers
S04E20
The Weird Wild West
S04E21
Devastating Disasters
S04E22
Mysterious Monoliths