Benjamin G. Hewett

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.

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.

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

Ascension Island, a remote Mid-Atlantic outpost famous for its big game fishing, is under siege. Tiger sharks, hammerheads, even great whites, lured here every year by the bountiful reefs, are displaying aggressive behavior, culminating in the island's first shark attacks in its history. Join us as we dive into the mystery behind the altered behavior of these hungry predators, and explore whether efforts to bring this delicate ecosystem back into balance is a case of too little, too late.

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?

For thousands of animals every year, migrating across Patagonia is the only chance of survival as they return to give birth and raise their young or come home to feed.