Earth Touch

It begins at the end: Tau is dying; a slow shutting-down creeps over his body. Its time to reflect His life is over but it was well spent.

When a vicious fight with the Male leopard results in her cub's death, Malika must reinvent herself after the loss. In the battle to survive she faces dangerous enemies and must hunt way outside her comfort zone. Her desperation inspires ingenious new ambush techniques and each success slowly rebuilds her confidence till she has the courage to face her enemies and regain her former glory.

Lions and buffalo battle for survival on the African grassland.

A routine drone survey turns deadly when Ryan Johnson, a marine biologist based in South Africa, films a humpback whale being attacked and strategically drowned by a Great white shark. This is a total perspective shift for the creature.

The Amazon is one of the wildest and least explored parts of the planet. Encompassing 6 countries and 2 million square miles of forest, river and floodplain, it has the highest diversity of life on the planet, but what lies below it is truly shocking. In its deep muddy rivers, clear streams and expansive floodplains a freak-show of fish life has exploded, with some of the strangest shapes and weirdest adaptations on Earth. Hiding in the vast rivers and streams is an electric grid, a bizarre community of fish with a highly sophisticated electric sixth sense. Using electricity, these "Super" fish can communicate wirelessly, control each other remotely and emit shocks that can stop a human heart. This cryptic world has mystified scientists throughout the ages. Now an intrepid scientist, Will Crampton ventures back into the dark jungles where the inspiration for our technology driven world first emerged, in an attempt to unravel their secrets and unlock the electric code.

In Rwanda, Africa, a new era is dawning after a brutal civil war ripped through the country, killing close to two million people and wiping out its most iconic wildlife: the regal lion. Now, 25 years later, the big cats are being reintroduced to the region to reclaim their throne. Follow this magnificent seven, a collection of five females and two males, as they travel thousands of miles from South Africa to Akagera National Park and attempt to figure out their new land, form relationships, and restore the pride of a nation.

Venom expert Dr. Bryan Fry embarks on a dangerous island journey to uncover the deadly secrets of vipers, stonefish and the formidable Komodo dragon.

Over the millennia, amphibians both large and small have dominated the Earth. Today, there are over 5000 different species of frog inhabiting all corners of the globe, from the tropical jungles, and dark swamps, to the desert wastelands, and frozen tundra.

Coelacanth (SEEL-uh-kanth): a large fish with limblike fins, armored scales and a tail that no other living fish possesses. This prehistoric fish was thought to have died out with the dinosaurs in the great extinction. It has laid hidden deep in our oceans undisturbed and undetected for 70 million years—a true living fossil. The coelacanth is thought to be related to the creatures that grew legs, breathed air and came ashore nearly 400 million years ago.

Cuba's enforced isolation has resulted in the unlikeliest of marine reserves: a huge, rambling archipelago known as Jardines de la Reina, or "Gardens of the Queen." Stretching around 140 miles along the southern coast of Cuba, it's one of the longest barrier reef systems in the world. Get an up-close look at Fidel Castro's diving playground, a forgotten ocean paradise unseen for half a century, and witness exotic species rarely seen elsewhere in the region. It's the lost jewel of the Caribbean, but how long can this pristine wilderness survive?

The impressive firepower and fearsome reputation of the cobra family that rules the wilds of Africa and Asia.

A documentary which follows two lion brothers as they become rulers of a pride in Botswana after a battle for dominance.

The ragged-tooth shark has a formidable reputation – but the truth about this animal is very different. We follow this incredible shark on its biannual migration along the South African coast and venture deep into underwater caves to study its dramatic mating behaviour.

A caving expedition recently discovered a community of dwarf crocodiles living in the Abanda Caves, Gabon. The crocs are living in pitch darkness, hunt bats and some have bright-orange skin. Part of the original team returns to find out more about this bizarre phenomenon. It's mission impossible to access the crocs world and there's no way of knowing what they might find.

Enter the harsh and unforgiving Kalahari and follow a lion pride attempt to save their threatened bloodline.

Hippos and crocs have lived side by side for millennia, but are they cozy bedfellows or arch-enemies? One is a hefty herbivore, the other is the most successful freshwater predator on the planet, so how do they manage to survive together in the same habitat? They each have a unique arsenal of attributes honed by centuries of evolution; muscle power, bite force and ferocious dentition give them the edge in their environment. But once a year, their peaceful semi-aquatic existence turns into a battle for survival.

Lions - the most feared, most iconic predator in Africa but a lion is not just a lion. Each is very different to the other. Different parts of Africa demand specific things from lions to survive. The secret is to be highly adaptable. At the end of the day, the livelihood of the pride rests on the female's shoulders. She's the one who must excel. Follow three lionesses from different parts of the continent to see how they respond to win?

A high-tech autopsy on a Nile crocodile unlocks secrets behind its hunting prowess.