Ninth series of the popular BBC documentary strand exploring the nature and history of all 9,000 miles of the British coastline. Experts including Neil Oliver, Nicholas Crane, Ruth Goodman and Miranda Krestovnikoff offer comment on issues as diverse as how Greenwich became the global centre of sea navigation and what becomes of our coastline in the winter months. The episodes comprise: 'The Channel', 'Secret Paths to Hidden Treasure', 'The Explorers' Coast', 'Offshore!', 'Sea and the City' and 'Winter'.