Tristan sets about collecting debts owed to the surgery and takes a shine to Maggie, the new barmaid at The Drovers. Siegfried hopes to bag the job of Attending Vet at Darrowby Racecourse, by buttering up the head of the race course, General Ransom. When the favourite to win on the race day is diagnosed with a inoperable condition, James has his first painful experience.

James is forced to take in Mrs Pumphrey's pampered Pekingese. Tristan prepares to return to university, but needs Siegfried's help to pay for his accommodation, but Siegfried insists he must first prove he is serious about being a vet. James treats the Aldersons' prize bull, and Helen rewards his efforts with some unusual home baking.

It's the Darrowby Show and James is pleased as punch that he has been given the honour of Attending Vet. But Siegfried and Tristan know the job is a poisoned chalice and reckon James won't last the day without throwing in the towel.

James' workload doubles when Siegfried takes ill during a harsh winter. Mrs Hall discovers it is James' birthday, and Tristan tries his best to cheer him up by arranging a double date. Season finale.

James is trying to bury his pain over Helen and has invited his new girlfriend Connie to the annual Skeldale Christmas party. As the house fills with locals, James receives a call from a man who wants help with his dog who is giving birth.

As Chamberlain heads to meet with Hitler in Munich, James prepares to face his parents and give them some difficult news. Meanwhile, James's agenda is derailed by an emergency with the Alderson's pregnant mare, Candy.

James and Helen spend their first Christmas together, but must agree on where to spend it. Despite all seeming idyllic, the vets are troubled as Tricki Woo is sick.

It is now spring 1939 and a potential world war looms. Tristan is now a qualified vet, while James enters a new stage of his life with Helen and at the practice. After being made joint business partner by Siegfried, James pushes to take on more responsibility via the Ministry of Agriculture's new bovine TB testing scheme, but its unexpected challenges risk pushing him to breaking point.

It’s Christmas in Darrowby and everyone is trying to make the most of things while the world is at war. A young guest brings some wonder, mischief and cheer to Skeldale House while everyone waits for important news. When Mrs Pumphrey heralds the arrival of a kitten in need of extra care. Siegfried is asked to pay a visit to an injured River just before a big race.

Siegfried hires an experienced bookkeeper, but her efficient approach doesn’t suit everyone. James and Helen arrive at a big decision, and a ferret presents a challenge for the practice.

An emotional phone call with a very pregnant Helen makes James determined to get back to her, but he doesn't have many options, and RAF mascot Georgie needs his help. Meanwhile, Mrs Hall prepares a community Christmas celebration in Darrowby, while Siegfried and Carmody argue over who will be Father Christmas.

Everyone is determined to make Jimmy’s christening day special, while Siegfried is unimpressed when called up to Biggins’ farm.