The Coast team journey around the shoreline of East Anglia. Nicholas Crane discovers how a potentially lethal combination of tides and weather can cause catastrophic floods.
Hermione Cockburn meets a member of a forgotten army of women who worked on the Norfolk coast to intercept German radio messages during WWII.
Mark Horton investigates the perilous state of our seaside piers.
And Neil Oliver explores the abandoned site of an experimental radar, built to spy deep into the Soviet Union during the Cold War.