Steve Backshall meets the most ferocious shark of all. The great white shark is one of the greatest hunters on the planet, and Steve looks at what it is that makes them such perfect predators. He dives with them in the open ocean, revealing clever camouflage, and heads into his shark lab to take a closer look at their terrific teeth.

Steve meets the most colossal shark in our seas. Measuring up to a record 18 metres, the whale shark is not only the largest shark, but the largest fish in the world. Steve dives with this gargantuan shark off the coast of Mozambique in Africa and reveals their somewhat surprising diet, before heading into his shark lab to get under their skin and reveal how they manage to filter their food from the water.

Steve Backshall meets the most sinister shark in our seas. The ragged tooth shark has a mouth that is overflowing with terrifying teeth. But why does it need such gnarly gnashers? Steve heads out on a dive after dark to see these fearsome fangs for himself, before revealing their sinister secret in his shark lab.