Diana Rigg, Phyllis Logan and Ainsley Harriott are some of the celebrities that are hitting the Road Trip this season in search of antiques that will win big at auction. Traveling in vintage cars and accompanied by experts, these celebrities traverse Great Britain looking for the most interesting, unique and valuable treasures.

This week, Veteran broadcasters John Sergeant and Peter White tour the countryside south of the Thames. John gets up to speed on the river in a historic yacht while Peter, blind from birth, bats a good inning at one of the country's oldest cricket clubs. Will John's painting of sailing barges on the Norfolk Broads deliver a cargo of cash? And will a wooden windmill blow a profit in Peter's direction?