The UnXplained - Season 4 - Eps 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?
About The UnXplained

Title: The UnXplained
First Air Date: 2019-07-19
Last Air Date: 2024-11-08
Status: Returning Series
Rating: 6.481/10 (from 27 votes)
Language: EN
Seasons: 7
Total Episodes: 89
Network: History
Genres: Documentary
Production Companies: Prometheus Entertainment
Synopsis
Explore the world’s most fascinating, strange and inexplicable mysteries. Each episode features compelling contributions from scientists, historians, witnesses and experiencers—each seeking to shed light on how the seemingly impossible actually can happen.
Cast

William Shatner
Self - Host