Debs and Mick, who got engaged in the last series, are on with their wedding preparations on the Basingstoke Canal. Stuart throws a homecoming barbecue on the towpath after reaching the Kennet and Avon Canal and realises his lifelong dream of driving a train. Kate and Pam's weekend cruise along the Chesterfield Canal sparks fresh artistic inspiration and the Wakefield Cubs have one last supper afloat as their adventure comes to a close