The UnXplained
Season 4 Episode 3 - What Lies Below?
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?
Episodes in Season 4
Mysterious Ancient Ruins
42 min
The Mystery of Genius
42 min
What Lies Below?
42 min
Secrets of Abandoned Places
42 min
Acts of God
Serial Killer Creatures
Mysterious Tombs
Uncanny Curses
41 min
Superhuman Feats
Mysteries of the Missing Link
42 min
Surviving the Impossible
The Search For King Arthur
42 min
Wonders of the Ancient World
42 min
The Hunt For Jack The Ripper
42 min
The Search for Extraterrestrial Life
42 min
Real Life Monsters
42 min
America's Lost Treasures
42 min
The Bermuda Triangle and the Beyond
42 min
Secrets of the Founding Fathers
42 min
The Weird Wild West
42 min
Devastating Disasters
42 min
Mysterious Monoliths
42 min