Air date: 2023-04-10

Runtime: 44 min

In preparation for his deepest ever dive, Ross returns to training with dive master Neil Brock and explores the site of Britain’s most famous wreck: the Mary Rose.

Air date: 2023-04-17

Runtime: 43 min

Ross hops from Portsmouth to Plymouth and explores a coastline littered with treasures. A bout of hypercapnia leaves Ross shaken after the dive of a 17th century shipwreck.

Air date: 2023-04-24

Runtime: 39 min

The quest continues in the Red Sea off the coast of Egypt, a deeply personal journey given Ross' grandfather fought in the North African campaign during World War II.

Air date: 2023-05-01

Runtime: 44 min

Starting in Dorset's Studland Bay, Ross searches for wrecks that tell the story of D-Day and learns that winning wasn't just a case of superior power, but also ingenuity.