
Working alongside divers, wreck investigators and archaeologists, the series tells the stories of the final moments of ships and those on board as they meet disaster. Unpicking the evidence of the wreckage with state-of-the-art CGI and the latest underwater technology and combining it with powerful personal testimony brings out the human side of these tragedies as well as revealing the answers to the questions of what happened and why.

This episode looks at 3 different German U-Boat wrecks, including UC-66 - the first to be sunk by a plane and U480 - the world’s first stealth sub.

Armed with the latest undersea technology and personal testimony, we board two doomed ships to discover what set them on the path to catastrophe.

Survivors' stories and world-leading shipwreck investigators uncover how even the most powerful warships had their weaknesses and paid a fatal price.

We uncover the remains of warships from the remote Pacific to the Atlantic, revealing new insights into how the atom bomb changed our world forever.

How the Americans launched a massive bombardment of the Japanese fleet– and how the German liner Wilhelm Gustloff was torpedoed by a Russian sub.

Two of the greatest failed invasions in the history of naval warfare. How the Spanish Armada was defeated and why the Allied fleet was crushed in WW1

Investigations reveal the greatest scuttle and act of defiance in wartime history. Testimonies and CGI illuminate the events and subsequent salvage.

Investigations into three historical collisions expose the volatile risks at sea and how they have shaped regulations and technological advancements.