James returns to Angus Grier and, to his shame and Grier's pleasure, is coerced into giving the wrong treatment. Grier's triumph is short-lived as James discovers his guilty secret.
James battles through snowy dales to save a litter of piglets and Tristan hopes Siegfried will give him a job.
With Helen still bedridden, James struggles manfully with both chores and children as Siegfried and Tristan look on idly.
James receives a cry for help from the isolated Bramley family who last came to town in 1929.
With Siegfried in London, Tristan is left with the worst patients.
Helen is finally up and about - only to face the morning after the chaos of Tristan's party the night before.
The Herriots prepare to move to Rowangarth and there's another emergency with Granville Bennett.
Calum welcomes the new arrivals - one that bites and one that fits Siegfried's cooking and cleaning requirements.
Siegfried is saddened by the death of a young bull terrier, half of an inseparable pair of dogs.
Siegfried is determined to make the errant farmers pay their bills.
Siegfried gives a friend's offspring some experience in the surgery. Calum resents this until he sees the young student.
James wears his shorts to a visit and is challenged to a race, while champion sheepdog Jock delights in chasing cars.
Siegfried buys a television set, and James has to deal with a man who has cancer.
Siegfried and James are left to Calum's cooking while their wives visit London. James meets Basil Courtenay, a rather upper class cow hand.
James renews his acquaintance with an old farmer called Mr Potts, whose unfortunate demise coincides with that of King George VI.
Calum has an article published in the Veterinary Record, much to James's delight, but Siegfried finds it galling. He takes Calum to meet Mrs Bond and her cats.
James castrates Lord Hulton's pigs and wins the pools, but Siegfried wins the day with Mr Hopps who has a digestive problem.
Lady Hulton’s sick cat propels Siegfried into updating the practice to cater for such refined clients.
A triple birthday is marred by tragedy, and James and Siegfried face the law when the Black Horse stretches its opening hours.
Siegfried befriends Colin when one of his goldfish dies, and takes him on his rounds. James is in the team for the local cricket match but Siegfried hits a six.