An elite team investigates the mysteries of the Bermuda Triangle aided by a secret map decades in the making. In this episode, they attempt to unravel the mystery of why 27 US Navy aviators and crew vanished without a trace on the same night in 1945. While searching for the wrecks of the lost planes they uncover a debris field unlike any they have ever seen, and one with historic implications.

The team dives deep looking for the biggest vessel to ever vanish in the Bermuda Triangle--a massive ship with a monstrous name--the USS Cyclops. Was the USS Cyclops the victim of a terrifying, ship-sinking phenomenon known as a rogue wave? While searching the deep waters, they uncover harrowing stories of other rogue waves prowling the seas and make a discovery that solves a century old mystery.

The team searches for the remains of an entire pirate fleet of ships that vanished suddenly in the Bermuda Triangle, as if swallowed by the ocean. Could a geological anomaly be the source of these ship-sucking whirlpools? Their investigation takes them to the literal bottom of a fabled--and potentially deadly--mid-ocean sinkhole, but what they find waiting in the depths may prove beyond any mystery.

The team signs up one of the most advanced research ships on the planet to search the depths for a lost secret weapon of the Pentagon's arsenal--a top-secret spy plane that vanished into the Bermuda Triangle. Are planes and ships falling victim to a terrifying ocean storm called a white squall? The skies darken as the team pushes deep into dangerous waters attempting to identify whether the plane was lost to freak weather, or something even darker.

The team enlists special equipment in an epic search for two large air force planes that vanished without a trace with dozens of people on board. Despite a massive search, nothing was ever found. Are planes colliding with mysterious UAPs that are now acknowledged as fact by the US Navy? To investigate, the team embarks on one of its most harrowing dives yet, battling extreme depths and currents that threaten to sweep them away.

The team enlists an advanced submarine to probe one of the deepest darkest parts of the Bermuda Triangle in search of a legendary ship that vanished in 1921. Are massive bubbles opening up in the floor of the Bermuda Triangle causing ships and planes to plummet to the ocean floor? At the bottom of the ocean, the Bermuda Triangle gives up one of its secrets.