In a special episode we go behind the closed doors of Hoarder homes and find out how the Houston SPCA is fighting this most shocking act of an animal cruelty.

Investigators are called out after disturbing reports of a large number of dogs held captive in make-shift pens. Plus, Octavio Gonzales receives a call about an abandoned horse.

When equine vet David Sutton helps Tilly, a ten year old mare, who has grass sickness and hasn't eaten for a fortnight, her owners are faced with a heart breaking decision.

The Browns look to protect the newest family member from bears now seeking food on Chichagof Island. Matt races for his life as he tries returning home.

A Bengal cat is disrupting the peace between two friends and a tom with a nasty streak is a cause for concern for a mother-to-be. Can Jackson resolve their feline woes?

Terri welcomes Mballa, a new cheetah cub from South Africa, to the Australia Zoo family. Meanwhile, Robert sets out to save a stranded platypus.

The staff hope for a successful breeding season when Mshangao the giraffe meets the herd's females. Power tools are needed for an Amur tiger's root canal.

The latest pet craze in the US? Owners pimp out their poodles to compete in grooming contests. Plus, in Kenya, a family owns domesticated Giraffes.

Dr. Jeff and his team helps two Chihuahuas found abandoned in a storm drain. Then Dr. Jeff makes a discovery when a cat's odd eating habits put its life in danger.

The CEO of a family-owned winery wants a beautiful reef tank for his living room - and it needs to be done before harvest season. Can the guys deliver on time?

Investigator Barkley finds two dogs dying in the heat of sun. Plus, investigators must deal with a woman whose compassion outstrips her animal care skills.

Investigator McHugh does her best to dodge traffic trying to save a dog that's strayed onto a motorway. Later, she helps a Chihuahua with a spinal injury.

Texas Game Wardens go undercover to stop a black market for buying and selling wild animals - and one illegal seller goes wild when he gets caught.

A beloved basset hound has a condition that could complicate surgery for Dr. Ross. Plus, Dr. Lavigne doesn't want a vet tech to assist in an operation on her own dog.

Firefighter Ricky rescued a Burmese python from a burning building. In one of his biggest projects Antonio transforms a basement into an epic snake habitat.

A woman who loves adopting older dogs is ready for another. Plus, Mariah and Kanani are searching for a box of puppies left to fend for themselves.

Stanley and Shelby are ferocious when they are together, so how will their owners have guests around? Plus, Finn has a habit of jumping in the babies' crib.

Terri welcomes Mballa, a new cheetah cub from South Africa, to the Australia Zoo family. Meanwhile, Robert sets out to save a stranded platypus.

Dr. Jeff must act fast to save a kitten with head trauma. Dr. Amy treats a dog with a weak heart. And a Good Samaritan helps a family when their dog is hit by a car.

Lucas takes on the nearly impossible challenge of transforming a tiny, suburban backyard into a luxurious five-star, resort-worthy pool space.

As the end of winter nears, the residents look toward to the future. Bob trains Ruger to be a hunting dog, while Ray prepares for a life without his daughters.

The Browns look to protect the newest family member from bears now seeking food on Chichagof Island. Matt races for his life as he tries returning home.

A specialist team of Texas Game Wardens spends a week on a floating cabin to stop drug smuggling operations across the border.

A hunter attacked by three grizzly bears struggles through miles of dark woods to find help. A man stung by a deadly jellyfish flies through a cyclone to receive aid.

Biologist and predator specialist Dave Salmoni journeys to a mountainous island in the North East Pacific, which is home to a large number of grizzly bears.

When a CCTV camera films a man beating a cat, investigators have to catch him. Neglect leaves two dogs near death and owls are rescued from a demolition site.

Adrian Peterson, one of the NFL's most valuable players, is requesting a classy aquarium that is even more precious that his trophy case full of awards.