In this festive special, Professor Noel helps a Humboldt penguin with an unhappy foot. There's also a three-legged cat and a husky from Thailand needing hip surgery.

A Bengal cat has a broken back and dislocated spine after being hit by a car. A German Shepherd needs a new elbow. And a rottweiler puppy gets a stem cell fix for an ankle problem.

A Great Dane called Baloo needs spinal surgery. A golden Labrador requires a knee replacement. And a black Labrador faces leg amputation for a tumour. But has the cancer already spread?

The clinic face a challenging case with a Chihuahua with hydrocephalus. A Labrador is brought in with severe elbow arthritis, while another needs high-end surgery on an elbow.

Lucky the shih-tzu has been referred to Fitzpatrick's with severe arthritis and can barely walk. And Bongo the Labrador has been affected by osteoarthritis in all four legs.

A two-year old mastiff is diagnosed with a bone tumour in her leg. A tiny pug has lost control of her hind legs. And a Rhodesian Ridgeback comes to surgery suffering from lameness.

A border collie is referred with a lump on his ankle. A short-haired cat may need a new hip. And a seriously unwell Golden Labrador is rushed to Fitzpatrick's sister clinic.

Basset hound Barney needs high-risk surgery on his troubled neck vertebrae. A giant mastiff undergoes radical surgery on both elbows. And a family puppy has fractured his foot.

A new run of shows starts with an emergency after a Staffordshire bull terrier is hit by a car, with her pelvis smashed in more than 25 pieces. And a giant schnauzer's lost her tail wag.