BBC Four HD 2026-09-09 2026-09-10 Programmes start at 7.00pm. [HD] 2026-09-10 3/6. Fred Dibnah looks at how carpenters have used their talents to transform buildings such as Stokesey Castle, Little Moreton Hall and Harvington Hall. [S,AD] 2026-09-10 9/10. Ben Robinson unearths the past of Greyabbey, a village on Northern Ireland's beautiful Strangford Lough, and discovers the history of its moneymaking kelp industry. [S] [HD] 2026-09-10 1/2. Dan Snow and team take on the rapids of the Grand Canyon in antique wooden boats to rediscover one of the wild west's great adventures of discovery. [S,AD] [HD] 2026-09-10 1/2. Amateur footage offers new insights into life in prewar Germany and during World War II. Contains some violence and disturbing scenes. [S] [HD] 2026-09-10 Actor Spencer Banks reflects on his leading role in the 1974 Play for Today Penda's Fen. [S] [HD] 2026-09-10 An awakened force in the landscape challenges a boy's clear and intense view of the world. Contains scenes which some viewers may find upsetting. [S] 2026-09-10 1/2. Dan Snow and team take on the rapids of the Grand Canyon in antique wooden boats to rediscover one of the wild west's great adventures of discovery. [S,AD] [HD] 2026-09-10 1/2. Amateur footage offers new insights into life in prewar Germany and during World War II. Contains some violence and disturbing scenes. [S] [HD] 2026-09-10 3/6. Fred Dibnah looks at how carpenters have used their talents to transform buildings such as Stokesey Castle, Little Moreton Hall and Harvington Hall. [S,AD] 2026-09-10 9/10. Ben Robinson unearths the past of Greyabbey, a village on Northern Ireland's beautiful Strangford Lough, and discovers the history of its moneymaking kelp industry. [S,SL] [HD] 2026-09-10 Programmes start at 7.00pm. [HD] 2026-09-10 2026-09-10 2026-09-10