The search begins for the The Merchant Royal.

A bell is found and the crew tries to determine if it came from the Merchant Royal.

A shipwreck is found that could change history.

One of the cannons is recovered at the site.

Exploring two shipwrecks one a German U-boat and the other a World War I tanker.

The experts use new technology to figure out what happened to four u-boats on their last voyage.

A archaeological survey of where the Lusitania sank.

The team searches for a 19th century ship code name Malta.

The most famous U-boat is located.

A ship is found that could have some rare wine.

One more wreck is explored before winter.

The crew faces a legal battle over gold and silver recovered form a wreck.