S1.E2 ∙ Dogs

Featuring groundbreaking new science, experiments and leading scientists from a variety of disciplines, the series unravels the natural history of the body's largest organ.

On the Iberian Peninsula, discover a secret world of nature, inhabited by various creatures competing for survival. After nearly four years of recording, witness this stunning collection of footage, captured deep within the animal kingdom. From amphibians and reptiles, to mammals and birds, learn all about the diverse species represented in Spain, along with the extraordinary places they inhabit.

Wildlife documentary in which the world's first purpose built waterhole with a built-in specialist camera rig is constructed in the Mwiba Wildlife Reserve in Tanzania to allow filming of the animals that visit it 24/7.

A new series for the whole family follows the activities of animals and people in Tallinn Zoo, Estonia.

Life in Zambia's Luangwa Valley exists in two very different worlds: the wet and the dry. The wet season is green and bountiful, but the dry season is one of the toughest on Earth. For seven months of the year, animals must cope with scorching temperatures and almost no rain. Now, climate change is making conditions even more extreme. Follow creatures of all sizes as they clash over limited resources in this vast wild kingdom, where each day is a struggle to survive.

The diverse peoples, wildlife, landscape and culture of Mexico are explored by focusing on three distinct worlds, great mountain ranges, tropical forests and scorching deserts.