Secret Scotland, 8pm, Ch5

THIS week, Susan Calman is in the beautiful Scottish Borders. Highlights include a trip to Gretna Green, the UK’s wedding capital, plus a game of rugby in Melrose and a spot of fly-fishing on the River Tweed. She also meets farmer and sheepdog trainer Julie Hill (pictured with Calman) to learn the secrets of herding sheep with the smartest dog breed in the world, the Border collie.