All 91 episodes of the 1980s BBC drama series following events in a veterinary practice supporting the local farming community in the Yorkshire Dales in the 1930s. Based on James Herriot's autobiographical bestsellers 'If Only They Could Talk' and 'It Shouldn't Happen to a Vet', the series stars Christopher Timothy as James Herriot, Robert Hardy as Siegfried Farnon, Peter Davidson as his brother Tristan, and Carol Drinkwater as James's wife Helen.