Episode 1
Jeremy Wade explores a shipwreck that could hold stolen Nazi treasure. Footage shows the moment a modern-day freight ship snaps in two in the Black Sea.
Episode 2
Jeremy Wade explores the dark secrets of a 150-year-old shipwreck off the Mexican coast. Next, he uncovers a boiling river hidden deep in the Amazon.
Episode 3
Jeremy looks at a puzzling military defeat - the Battle of Actium. Next, he examines what could be the first recorded case of a whale rescuing a human.
Episode 4
Jeremy Wade explores the tragic sinking of the cruise ferry MS Estonia. He investigates new footage that casts doubt on the official version of events.
Episode 5
Jeremy explores aircraft debris that may be linked to the disappearance of Amelia Earhart. Plus, he examines an ancient anchor in the Mediterranean.
Episode 6
Jeremy Wade explores a ground-breaking scientific discovery that could change everything known about the most infamous shipwreck, the Titanic.
Episode 7
Jeremy investigates an accident involving a nuclear submarine on a secret mission. Also, scientists investigate ancient human remains in a lake in Finland.
Episode 8
Jeremy explores the strange disappearance of an Indonesian submarine. Also, a hoard of riches is found inside the wreck of an 18th-century Dutch vessel.