Calum Buchanan joins the practice along with his tame badger, Marylin. Pregnant ewes, the plumbing at Sceldale and Helen's lost engagement ring herald the new arrival.

Tristan has been appointed a fertility counselor for the Ministry of Agriculture. He and James are sent to Grimbsby to examine an export consignment Russian vets. The Russian woman vet lives up to Tristan's belief that all Russian women are built like discus-throwers.

James has a crisis of professional confidence while treating a cow with a new drug. Tristan tries to convince a local farmer of the virtues of artificial insemination but Siegfreid only succeeds in enraging the farmer's bull.

James has his eye on a little semi-detached property coming up for sale, with the notion it would make a pleasant surprise for Helen. Unknown to him, however, Helen has grander ideas. There is trouble from a local farmer, which

ironically leads Calum to celebrate his departure from the Herriot household.

The church fete looms for the Darrowby vets, along with the dreaded Scottish country dancing display. Can Tristan brush up his steps in time to woo the fair Deirdre? Or will his colleague Calum's back-to-nature approach sweep her off her feet?

James and Seigfreid deal with a sheepdog trainer, whose dog is suffering from epilepsy. At Skeldale, two wild cats wander in the garden and Helen takes out food for them. She is hopeful of keeping them but James warns her that they will never come in from the wild.

The week leading up to the Darrowby Show proves to be a difficult one for James. He finds that he has been asked to judge the dog section at the show, an invitation he can't refuse. Since Mrs. Pumphrey will inevitably want to enter Tricky Woo, James expects to be put in a very embarrassing situation.

Trying to save the life of a badly injured, much-loved cat, James and Tristan seek the help of Granville Bennett, who runs a small animal hospital. The fruits of Bennett's practice are clearly much richer than the hard graft of the Dales, and James is intrigued to find that Bennett is looking for a partner.

Andrew Bruce, an old school friend of James' comes to stay for a long weekend. Andrew, a city bank manager, is rhapsodic about the idyllic countryside and Yorkshire Dales courtesy, and he cannot understand why James should want to change such an ideal lifestyle -- until he finds himself in a rural nightmare.

Harvest Sunday proves to be a trying time for the practice. Seigfreid seizes the opportunity to teach Callum cleanliness by example, forcing him to watch "the perfect operation" on a sick cow. Unfortunately, the operation doesn't go according to plan. When Callum is chased by a bull, James goes to his aid.

James Herriot finds himself skiing through snowy dales to save a litter of dying piglets. Helen is confined to bed having a slipped a disc and Tristan is hoping that Siegfried will give him a job as he has resigned from the Ministry of Agriculture.

With Helen still bedridden, there is

a dramatic increase in domestic chaos. While James struggles manfully with both chores and children, Siegfried and Tristan praise his noble efforts -- and do precisely nothing. Tristan nfuriates Mr. Bushy, a redoubtable farmer, by treating a dog instead of Busby's cow, by sleeping in, and finally by treating a bull instead of Busby's dog!

James receives a cry for help from the isolated Bramley family who last came to town in 1929.

A typical Yorkshire farmer is transformed into a cowboy; 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 another emergency with Granville Bennett.

Calum welcomes the new arrivals -- one that bites and one that fits Siegfried's cooking & cleaning requirements.

Siegfried is saddened by the death of a young bull terrier - one 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 initially resents this, but bucks up when he sees the young student.

James wears his shorts to a visit and is challenged to a race, while Jock, a once champion sheepdog, and delights in chasing cars from the farm.

Siegfried buys a television set, and James has to deal with a man who has cancer.

James meets Basil Courtney, a cowhand for a local farmer. Basil has worked in a circus, been a teacher, has knowledge of art and a nose for

good wine! James is intrigued until he discovers that Basil has not been giving the farmer's calves their treatment and, as a result, they are showing no signs of improvement.

The romance between Calum Buchanan and Deidre McEwan flourishes. Siegfried has been hoping that the love affair would quiet down but instead it seems to be going full blast. However, the course of true love never runs smoothly, and it is left to Siegfried to help solve the young couple's problems.

Deidre and Calum are busy planning their wedding. Deidre discusses her future with Helen, who hopes the couple will stay in Darrowby. However, Calum gets offered a job in Nova Scotia. Siegfried, believing he has forced Calum into applying for the job, hopes he can now persuade him to reconsider.

Siegfried visits a farm to treat a sick cat and pulls off a brilliant piece of human diagnosis at the same time. He also gets an unexpected visit from the puritan Mr. Hopps -- who does not have an animal with him.

James meets a pair of elderly twins. Oliver and Roland Strong, rabbit breeder and prize cabbage-grower respectively, have divided the cottage left to them by their mother and have not spoken to each other for 50 years. Now Oliver is convinced that Roland has poisoned one of his rabbits.

When James treats a sick cat, he finds himself in an awkward position with Mrs. Pumphrey and Mrs.Tibbett. These two formidable and mutually ferocious Darrowby matrons compete both in presents for the invalid and in hounding James for information of the patient's progress.

When Lady Hulton's cat falls ill, Siegfried embarks, with typical zeal, on updating the practice to cater for such refined clients. Lady Hulton, however, catches him out at every turn. James' problems lie with an affable but lazy farmer, Vernon Harker, whose plans to save himself from work even extend to marrying a tower of strength with a grown son to match.

Jenny Garston and David Rayner, individually charming farmer and horse-breeder, have been sworn enemies since their earliest school days. When a triple birthday is marred by tragedy it falls to Siegfried to negotiate with the stony-faced neighbors.

Siegfried once again gets James to play cricket in a charity match for the village against the county team. The tables are turned however when James is injured and Siegfried is pressed into service. Bob and Rachel Taylor are worried about their lame horse, Maggie. Siegfried operated on the animal, but she seems to going down hill. Siegfried is accompanied oh his rounds by young Colin Appleby, who has sick goldfish.

An old friend of James and Siegfried, an itinerant raveler called Roddy Travers, arrives in Darrowby. He appears to be stealing instruments from the practice but Siegfried and James are relieved to discover that Roddy's recently acquired lurcher dog, Murphy, is the culprit. However, the situation turns serious when an elderly local farmer accuses Murphy of sheep killing.

Siegfried insists on singing the praises of his new time- management system, a personal diary, much to the annoyance of James. James is particularly put out by Siegfried's successful demonstration to his bete-noir, the redoubtable Mr. Ripley. However, Siegfried's morning is spoiled when he has to deal with Humphrey, an exuberant Great Dane.

Siegfried is perplexed when the usually-caring Grandma Clarke snubs her neighbor, Franco Pedretti, who is the new shepherd on the estate where she is a tenant farmer. It soon becomes apparent that she blames Franco for the untimely death of her son in Italy during the war and the subsequent death of his wife in childbirth.

Life at the Yorkshire veterinary practice continues to challenge the partners, whether by neglected animals or tight-fisted farmers. There are domestic challenges for Tristan, however, when James and Helen play a practical joke with a "Welcome Home" card from an old female admirer. Life is never simple when true love or the demon drink rule Tristan's life, and he is soon in trouble with Siegfried. A new housekeeper, Mrs. Alton, has been recruited by Siegfried to keep a watchful eye on Tristan, who, dispatched to tie up the details of her employment, is delighted to discover that Mrs. Alton is a rather attractive young widow. But this is not the Mrs. Alton that Siegfried had in mind.

Planting a syringe full of anti-abortion vaccine into a farmer's backside creates something of a crisis for Tristan. Farmer Nat Briggs is convinced that his chances of starting a family have been ruined by Tristan's clumsiness, and he hangs threateningly around the Drovers waiting for a chance to confront Tristan. But it is Siegfried who gets a letter threatening court action. James, meanwhile, keeps Helen guessing about his mysterious visits to a local joiner, whose pet, Helen knows, died some time ago.

Tristan's heart is all a flutter because of the lovely Jane Mercer. When he discovers that she sings in the choral society, Tristan develops a fresh interest in matters musical. But strong-willed Jane takes a donkey's owner to task for neglecting the animal, much to the embarrassment of Tristan. Farmer Biggins, meanwhile, baffles all three partners with his strange behavior. A legendary non-payer of vets' bills, he finally meets his match when Granville Bennett - "the finest small animal practitioner in the north" attends his tom cat and manages to get Biggins to settle his outstanding account in full.

Tragedy strikes Bill Shadwell when his herd of dairy shorthorns contracts Johne's disease. As Shadwell approaches retirement, his son is keen to move into more profitable Friesian dairy cattle -- a move which means both James and Siegfried are caught up in the family's battle of wills. Mr. Grimsdale's bull poses problems of a different kind when Siegfried is convinced it has swallowed a dangerous metal object. But tightfisted Grimsdale is not convinced that an operation is needed. Tristan's new metal detector could prove to be the solution to a tricky dilemma.

The mysterious Mrs. Donovan poses problems for all three partners. Siegfried rashly dismisses her as "a warm-hearted woman who loves animals" -- until she starts interfering with his patients. From sheep to piglets, a howling dog to a hibernating tortoise, there seems to be no limit to her homespun remedies. Tristan has big trouble on his hands when cadging college pal St. John turns up looking for a bed -- and a small loan. Can Tristan keep St. John's presence a secret from Siegfried and the fearsome Mrs. Alton? Lovely Rosemary Brocklehurst attracts the romantic attention of Tristan when she brings in Esmerelda, a tortoise, which won't come out of its shell. Perhaps Mrs. Donovan has the answer...

Queen Elizabeth II's Coronation is cause for Darrowby celebrations on a grand scale. James and Helen's 12-year-old daughter, Rosie, is due to be crowned, too -- as Darrowby's pageant princess -- by her reluctant elder brother, Jimmy. But a severe cough could put a fast end to her starring role in the festivities. Helen is keen to try Mrs. Alton's herbal remedy, but James tells her to give penicillin a chance first. Siegfried also resorts to traditional cures when he tackles a sheep with liver fluke, and is all too eager to pass on to James a rather smelly problem afflicting a dog called Wolfie.

Buffoon Stewie Brannen, an old friend of Siegfried's, has invited the distinguished Professor Norton to a black tie dinner, and prevails upon Siegfried to host it at Skeldale -- and lend him a dinner suit. But disaster looms when Siegfried and Stewie are called out for a calving, in full evening dress, and James has to hold the fort with an irascible Mrs. Alton.

There's unusual friction in the Herriot household when 12- year-old daughter Rosie announces that she wants to become a vet -- against her father's wishes. James goes out of his way to show her the arduous, dirty and dangerous side of his work, while Helen thinks he ought to encourage her. But treating her best friend's pony, which has tetanus, may prove too much even for the determined Rosie. Siegried, meanwhile, manages to lose Mrs. Pettinger's kitten Prudence, which escapes from the surgery and hitches a ride to Hull, causing consternation in Darrowby and mirth for Tristan.

Siegfried is determined to discover who shot Korean War veteran Jacob Pearson's dog. The suspect is Captain Crawford's willful and surly 20-year-old son, Hugh -- a young man with problems beyond his pompous father's control. Both James and Siegfried have extraordinarily little success in extracting payment from wily farmer Dennis Pratt -- until they discover he may be sneaking his cows onto a neighboring farm to enjoy better grazing.

Siegfried takes a close friend to task for wasting his own talents as a veterinary surgeon. Ewan Ross -- "the best horse man north of the Humber" has let his career slide gently into the whiskey bottle after the death of his wife. But Siegfried is determined to make use of his considerable skills. A valuable racehorse with a strangulated hernia could provide Siegfried with not only a way of striking back at "vets in Bentleys", but also putting Ewan on the straight and narrow. James, meanwhile, is strangely reluctant to take on responsibility for Mrs. Pumphrey's beloved Tricky-Woo when she announces that she is off to France. But Siegfried caves in under the persuasive skills of Mrs. Pumphrey and Tricky-Woo moves into Skeldale.

Siegfried is laid up at Skeldale with his foot in plaster. His dreams of mouthwatering meals prepared by Mrs. Alton are soon shattered by her regime of a strict diet "for an invalid". Tristan falls for the dark, sad-eyed beauty, Angela Mortimer, Mrs. Pumphrey's great-niece, who has been jilted by her fiance. Fortunately, the demanding dog Tricky-Woo provides an ideal excuse for Tristan to make a number of house calls. James impresses three hero-worshiping locals with his cow-curing abilities, and he learns to value their support when he has to judge the Darrowby Vegetable Show, with disastrous results.

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...