BBC Four Goes Slow series also features half - hour National Gallery tour . Third programme will feature half - hour shows on traditional subjects . Series designed to relax viewers has been inspired by ' slow TV ' in Britain . This has included two hours on knitting and a half - hour train journey .
BBC Four Goes Slow series also features three-hour National Gallery tour . Third programme will see half-hour shows on traditional craftsmanship . Series designed to relax viewers has been inspired by 'slow TV ' in Norway . This has included 12 hours on knitting and a seven-hour train journey .