All Creatures Great and Small - Season 7 - Eps 12: Promises to Keep
It's raining cats - literally - when Tristan has to face the terrors of an enormous sow, Our Gracie, and her litter of piglets, who are due to be castrated. When the farm cats take a fancy to the anesthetic-stuffed offcuts, they start to doze off in some very unlikely places. Mrs. Clarke, a very determined old lady, is struggling to keep her farm running until she can hand it over to her young granddaughter, Mary. But she is reaching the stage when she can no longer handle the pressures, even with her elder granddaughter, Katherine to help -- and Katherine is planning to pursue a nursing career in Africa...
About All Creatures Great and Small

Title: All Creatures Great and Small
First Air Date: 1978-01-08
Last Air Date: 1990-11-17
Status: Ended
Rating: 7.7/10 (from 42 votes)
Language: EN
Seasons: 8
Total Episodes: 87
Network: BBC One
Genres: Comedy, Drama
Production Companies: BBC
Synopsis
All Creatures Great and Small is a British television series, based on the books of the British veterinary surgeon Alf Wight, who wrote under the pseudonym James Herriot. Ninety episodes were aired over two three-year runs. The first run was based directly on Herriot's books; the second was filmed with original scripts.
Cast

Lynda Bellingham
Helen Herriot

Robert Hardy
Siegfried Farnon

Christopher Timothy
James Herriot

Peter Davison
Tristan Farnon

Jean Heywood
Mrs Alton