Ellie Harrison puts her faith in Cedric Robinson, the Queen's official guide to the treacherous sands of Morecambe Bay, while Matt Baker trains with the RNLI rescue crews who spring into action when disaster strikes. John Craven heads to Wales to investigate controversial plans to cull hundreds of badgers in an effort control bovine TB, while Adam Henson puts his young apprentice through his paces down on the farm. As railway enthusiasts get ready to celebrate the 175th anniversary of the Great Western Railway, Katie Knapman finds out why steam trains continue to provoke such passion. Plus why salt marsh lamb is becoming increasingly popular with chefs.