Paul, Sami and Ren search along the River Stort in Hertfordshire for the perfect location for their towpath festival. Nigel and Sue take to a different kind of boat on the River Cherwell, before ending their adventure in the Cotswolds. On the Shropshire Union Canal in Cheshire, Emma attempts the Bunbury Shuffle, and narrowboat signwriter Andy begins work on a new project in his dry dock in Derbyshire.