Matt Baker and Julia Bradbury head to the Tamar Valley, which borders Devon and Cornwall, to join the walkers being allowed to cross Isambard Kingdom Brunel's Royal Albert Bridge for only the second time in its 150-year history. They meet the farmers keeping the valley's market gardening tradition alive, wade through the River Tamar to monitor fish populations and find out why a new mountain bike trail is protecting local wildlife.
John Craven investigates why our dairy industry has one of the worst animal welfare records in Europe and what's being done to change that. Down on the farm Adam Henson takes on a female farm worker hoping to make it in what is often considered a man's world. Plus wildlife presenter and photographer Chris Packham shares some tricks of the trade with comedienne Jo Brand as they launch the annual Countryfile photographic competition for 2009, with the theme of 'Wild and Wonderful'.