Frances Tophill helps a viewer whose overgrown pond needs some renovation, while Adam Frost visits a garden in Nottinghamshire where the season of winter highlights its design. The programme also celebrates the humble snowdrop and pays a visit to Eunice Mcghie who, at 83, still teaches gardening to young people in her back garden in Handsworth, Birmingham. Monty Don rounds up the series with ideas for pots that will remain colourful throughout winter and gives tips on how to protect tender banana plants and harvests pumpkins. Last in the series.