Plunge into the Mariana Trench, the deepest place on Earth, on an epic journey through the ocean's hostile, mysterious zones.
Following the historic 1960 dive of the bathyscaphe Trieste and the groundbreaking work of Titanic discoverer Bob Ballard, this documentary explores the technological feats required to survive lethal pressure and crippling cold, from the pressurized Aquarius underwater habitat to the invention of the rigid Exo Suit.
Discover the bizarre, chemosynthetic life thriving in total darkness around the volcanically active Mid-Ocean Ridge, challenging the basis of all life on Earth, and learn why remote-controlled robots are now preferred over fragile humans for exploring the 95% of our ocean that remains the planet's final, greatest frontier.