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Exploring the puzzling disappearance of an Indonesian submarine; the latest research into an underwater phenomenon may help piece together how it vanished.

Mysteries of the Deep

Mystery of the Sub Destroyer

Jeremy Wade explores an accident involving a Russian nuclear submarine on a top-secret mission, and shocking details emerge surrounding the vessel's design; scientists investigate ancient human remains emerging from a lake in Finland.

Secrets of Russia's Nuclear Sub

Jeremy Wade investigates the infamous shipwreck of the Titanic; locals are baffled when a bag containing 54 severed human hands is found on the banks of a Siberian river.

Titanic Phenomenon

Jeremy Wade examines new evidence that could finally reveal what happened to aviator Amelia Earhart; Jeremy investigates a strange anchor found in the Mediterranean Sea.

Expand your horizons with powerful and insightful news and information documentaries from the worlds of science, nature, medicine and outdoor adventure.

Jeremy Wade follows investigators as they dive the wreck of the ferry MS Estonia; the case of America's notorious skyjacker DB Cooper takes an intriguing underwater twist.

Secrets of the MS Estonia

Jeremy Wade explores the hidden and dark secrets behind a 150-year-old shipwreck off the coast of Sisal, Mexico, revealing an unknown and troubling maritime past. Also, a mysterious boiling river hidden deep in the heart of the Amazon is uncovered.

Shipwreck Ghosts of Mexico

Jeremy Wade takes a fresh look at the Battle of Actium; Jeremy investigates what could be the first recorded case of a whale rescuing a human.

Mystery of the Ancient Battle

Jeremy Wade explores a shipwreck that may contain stolen Nazi treasure, the priceless lost furnishings of the 18th century Amber Room; astonishing footage captures the exact moment when freight ship MV Arvin split in two and sank in the Black Sea.

Shipwreck of Nazi Treasure

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The deep-sea remains a dangerous and unexplored frontier -- a place that swallows evidence and where the unknown is normal; Jeremy Wade searches for answers behind the world's most iconic and baffling underwater mysteries known to science.

S2 E8 | Mystery of the Sub Destroyer