Countryfile this week visits the breathtaking coastline of Mount’s Bay in Cornwall and explores the magical St Michael’s Mount. Matt Baker is in for some extreme gardening as he abseils on the island’s craggy cliffs, while Margherita Taylor takes to the water to meet the team of female gig boat rowers who are going for gold in the world championships.

Charlotte Smith investigates how the UK’s shortage of farm vets is threatening not just animal health but also our own. Adam’s getting ready for the arrival of some very special calves. And, in the first of a series of five films, Adrian Chiles explores some of the fascinating customs from around the British Isles. Today, he’s just along the coast in Mousehole and discovers an intriguing Cornish tradition or two.

Matt Baker and Ellie Harrison explore the grounds of the beautiful Blenheim Palace estate, and Tom Heap investigates claims that by 2050 the UK could run out of water.

Joe Crowley and Anita Rani visit Ystradgynlais in south Wales, and Adam Henson catches up with a young Welsh farmer to find out what can be done to combat loneliness in agriculture

As cycling booms, Matt Baker and Ellie Harrison jump on their bikes to explore a new greenway in Warwickshire, and Tom Heap investigates the increase in cycling deaths on our rural roads.

Matt Baker discovers the fascinating history of Flat Holm, an island in the middle of the Bristol Channel. Joe Crowley investigates the water companies still dumping sewage into our rivers.

At Haweswater Reservoir, John Craven meets the people behind radical new thinking to boost biodiversity, enjoys a breakfast with red squirrels and launches the calendar photographic competition.

John Craven and Matt Baker are on the east coast of England to find out how storms are devouring the coastline, and Adrian Chiles rolls up his sleeves to find out what it takes to be a hill farmer.

Charlotte Smith discovers how political parties are responding to the recent wild camping ruling on Dartmoor. Adam Henson visits a rehab centre for horses.

Like so many of our waterways, the River Wye is being suffocated by pollution. Matt Baker and Anita Rani meet the volunteers trying to save this spectacular river.

In Aberystwyth, Joe Crowley meets scientists behind some of the biggest new developments in farming and food security. And why is London's salad bowl in the Lea Valley on the brink of collapse?