Coverage of from the 2011 World Sheepdog Trials in Cumbria. The four-day event involves a total of 26 nations and 240 of the world's greatest handlers and their dogs pitting their wits against some of Britain's finest sheep - the rugged 'North Country Mules.' They are all competing for the ultimate prize: a gold shepherd's whistle and the much-coveted title of world champion. Presented by Ellie Harrison and Guy Martin, the highlights of the opening heats are broadcast with in-depth commentary from Barry Davies. Cutting-edge graphics demonstrate how the handlers and dogs are working together and this is supported by in-depth analysis from animal behaviour and sheep dog experts.