On one of his most audacious and exciting expeditions to date, Forrest travels to the remote Galapagos Islands in search of the fabled Fernandina tortoise.

Discover how dogs have evolved from wild predators to friendly pets. Plus, a look at parts of the world where dogs are spoiled as much as children.

Fisherman and adventurer, Jeremy Wade, travels to Lake Garda in northern Italy to investigate a 16th century monster fish. What secrets is the lake hiding?

Officers from the Pennsylvania SPCA are horrified to discover a dead horse and thirteen others living in deplorable conditions at a farm in North Pennsylvania.

Officers from the Pennsylvania SPCA mount a sting on a man suspected of breeding puppies in a basement in the centre of Philadelphia.

With a team member down, Russell and Mireya must forge ahead to hunt down leads. Their investigations uncover the first pieces of potential Bigfoot evidence.

The boys meet some local girls and invite them back to their property for a unique style of bush dating. Plus, Billy strikes a barter for windows for their new home.

Dorothy and Travis's cat vomits out of anger, and attacks them. They are afraid their son will be her next victim. Jackson will need all his experience to deal with this feline.

Discover the difficulties of artificially breeding giant pandas as we follow You You, who is expecting twins. After You You's 12 hours in painful labour, will both cubs survive?

Behind modern Dubai lies a hidden treasure - an incredible wildlife that speaks of a timeless connection to the desert, the sea and the history and tradition of its people.

Two pioneers in electric power both aim to develop technologies that reduce carbon emissions - both using electric motors and batteries in aviation and speedboats.

An adventurous puppy falls off a trampoline, can Dr. Jeff and Petra mend its broken leg? Meanwhile, Susan takes care of a litter of kittens and their mum.

ATM is buzzing after news that international megastar David Hasselhoff wants a tank. As an avid diver, David would love a shark tank in his home.

Officers move in to close down a shelter housing hundreds of cats. Some of the animals are already dead and the team must act quickly to save the others.

When trainee agent Derrick Schlitter responds to an emergency call in north Philadelphia, he ends up seeking justice for a puppy left dead in a backyard.

On the West Coast of America, a young woman is living the night life with a pair of tamandua anteaters. Elsewhere, a family shares their home with hippos.

The orangutans at the Sepilok Orangutan Rehabilitation Centre in Borneo are trained to learn what their mothers would have taught them in the wild.

One orphan needs another, more experienced one to help them bed in. The babies are at high risk from parasites ingested from the ground.

Pete and his gang cook up a dining room treehouse for a French restaurant. Surrounded by fields, the aim is to bring the Provence countryside to guests.

A look back at the most memorable moments in the season. Featuring never-before-seen footage, a look behind the scenes, and a catch up with past favourites.

A couple's ferocious feline keeps family members from visiting due to her aggressive behaviour, whilst a Russian blue cat declares war on her owner's boyfriend.

Discover the difficulties of artificially breeding giant pandas as we follow You You, who is expecting twins. After You You's 12 hours in painful labour, will both cubs survive?

Dr. Jeff treats a dog after it jumped from a fast-moving car on the highway. Plus, a couple of rescue guinea pigs cause a stir around the office.

Soil poisoned by coal production hampers a Kentucky homestead. The Raneys must build a hillside garden on the only unpolluted land and find a source of clean water.

Owners Lisa and Callu are worried about Merlin, a Great Dane who goes over on his front toes when he walks. Neurologist Annette Wessman suspects a problem in his spine or skull.

The boys meet some local girls and invite them back to their property for a unique style of bush dating. Plus, Billy strikes a barter for windows for their new home.

Two technology entrepreneurs harness the power of solar energy to solve two different problems: water contamination in Ghana and jungle preservation in South America.

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.