For the first time, Countryfile is home to the BBC's One Man and His Dog competition, showcasing the time-honoured skills and traditions of sheep dog trialling. The very best sheep dogs and their handlers from England, Ireland, Scotland and Wales compete to become the 2013 champions.
Matt Baker takes to the commentary box to take us through all the trialling action. Julia Bradbury finds out if the collie really is the brains in the operation, or if the simple sheep has been pulling the wool over our eyes. And Adam is in Bala in North Wales - the birthplace of sheep dog trialling - helping farmers bring down more than 900 Welsh mountain sheep from the hills.
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