Countryfile visits the Channel Islands, where Matt Baker explores the legacy left on Jersey by naturalist Gerald Durrell. Ellie Harrison helps with an unusual habitat restoration on the site of an old holiday camp, then hotfoots it to Guernsey to discover the island's long history of growing tomatoes, which has all but died out. John Craven visits Sark to find out about island life and the dairy which produces the unrivalled Sark cream. Charlotte investigates black grass, a resilient weed which is rapidly becoming the scourge of British arable farmers. Meanwhile, Adam Henson finds out about woolly pigs!