Vet Tom is concerned his Shetland pony may be suffering from fatal condition laminitis. Heidi, an 11-month-old Chihuahua, arrives under the weather and heavily pregnant.
Shondie is on call as first shepherdess Susan and then farmer Meri arrive at the practice in the middle of the night with pregnant sheep in need of urgent veterinary help.
Shondie and David work a busy night shift and collie dog Lassie receives course of acupuncture.
David heads to a farm where a cow is in labour and arrives to find the twin calves twisted together on top of each other, while Tom is called out to Luther the Clydesdale horse.
Observational documentary series following vets in Thurso and Wick.
At the large animal wing of the practice, senior vet Ken must enlist the help of young vet David as they deal with local farmer Arnott's miss-firing Suffolk tup.
Vet David and vet nurse Caitlin are coming to the end of a quiet shift when an emergency lands on their lap. Stressed owner Kayleigh has arrived with her cat Dinah who has been hit by a car. After x-rays reveal a bad fracture, the team are confronted with late-night surgery that they have never attempted before.
Shepherdess Billie arrives with her pregnant border collie and cat Jess is brought in by her owner after she was spotted eating lilies from a flower vase
On-call vet David is busy through the night shift, as the calving season gets underway and a Labrador returns with a lump that has grown to the size of a grapefruit.
Vet William has to tackle a tricky late-night emergency when farmer's daughter Rebecca brings in her heavily pregnant ewe and an injured barn owl is brought into the surgery.
Vet Eilidh has a fight on her hands to save a baby otter found alone and freezing in a farmer's field and a concerned owner brings in her cat after discovering a lump on his back.
A walker discovers a young common seal that is found too poorly to ever be returned to the wild; a sphinx cat suffers from a sore eye that worsens over time.
Practice director Guy faces one of his most challenging procedures as owner Andrew brings in a 4-year-old Belgian shepherd with an injured leg.
Cameras follow the vets, staff and clients based in the town of Thurso, which is the most northerly vet practice on mainland Britain.
Margaret is called out to a farm in Castletown to examine bulls; Guy helps a miniature bull terrier; Rebecca examines a lame newborn lamb.
Rebecca helps a cow who has a large growth on her hip; David help a cow give birth; a golden retriever is treated; experts help a budgie with a strange lump.
David treats a Kunekune pig who needs a procedure to make him a safer suitor to the farms four sows; vets treat a cat with a serious leg injury.
Ken visits a farm to complete fertility tests on two male bulls; Rebecca helps a blackbird stuck inside the grill of a car; vets help a young cat who fell from a rafter.
Vets work hard throughout the night to save a puppy.
The team from DS McGregor and Partners mixed veterinarian practices is followed.
Vet Ewan tries to save a cow who has partially severed her tongue and equine vet Tom perfoms surgery on an Irish draught horse.
David responds to a night call to a mare and a foal in distress. The mare is a Highland pony who's just given birth for the first time, but her foal is struggling to latch on and feed, which is a big worry. Practice director Guy has a bit of a mystery case on his hands. A ferret has been spotted wandering in a garden - not a typical sight in Caithness.
Practice director Guy has to perform complex surgery on a much-loved elderly cat, vet Katie has a pair of very poorly puppies on her hands and practice director Ken is called to a farm where a cow is struggling to give birth to twins - which is extremely rare in cattle.
Vet Fiona treats a four-year-old German shepherd with a serious anal infection. Katie treats a pregnant ewe that has been attacked by crows. Guy examines a young alpaca that is not acting like its normal self, while Ewan examines a Highland cow.
Newly qualified vet Katie is faced with a double emergency when a cat and dog are rushed into the practice, and she needs to make the difficult decision of which pet to prioritise. Acer the Spaniel has a large open wound on her side, while Stormzy the cat has a worrying limp and is panting - which can be a sign of extreme stress or a more serious problem in felines.
Guy treats a Maine Coon cat that was run over outside his owner's house; William investigates why two newborn calves are doing poorly.
Shondie treats a young Welsh terrier travelling with its owners from Germany. David takes care of a canine tourist with the sniffles, while Tom prepares to operate.
Ken and Vicky treat a cat that has been trampled on by a horse. David attends to a terrier that is bleeding from his mouth. Guy takes care of a pregnant sheep.
David treats a horse that may have colic and hopes to get the animal well in time for its next big show. Margaret races against time to deliver a calf, a collie suffers from a broken leg after being hit by a car and Katie performs her first pig castration.
Tom and Angie have a tricky case on their hands with Raven, a Dales pony. Guy's latest patient is Lady, a rescue greyhound with a persistent ulcer.