The team explores British connections to the Swedish coast. Nick Crane views a mountain range still rising at the rate of one centimetre a year - and discovers a similar phenomenon is also occurring in the Highlands. Alice Roberts reveals how merchant seamen from Hull helped save the Second World War military effort by sneaking a vital shipment of Swedish ball bearings past the German Navy. Mark Horton visits the wreck of the Vasa, a ship commissioned 400 years ago to spearhead the Swedish navy, only to sink on its maiden voyage.