Gregg Wallace and Cherry Healey hit factory floors across Britain for a snoop around their supersized production lines. What are the secrets behind our supermarket staples?

It's a bizarre fact, but we know more about outer space than we do about our oceans. This landmark series, presented Sir David Attenborough, tries to address the balance by exploring the enormous variety of marine life, from the largest animal that has ever lived on Earth, the blue whale, to the tiniest piece of plankton.

Deep in Alaska, the primal way lives on. Fight the freeze, brave the wild, hold on to your sanity. And winter is no wonderland when temperatures plummet far below zero. This series follows the drama and hardships experienced by Alaskan households in different corners of this merciless territory as they battle to survive, thrive, and live life on their own terms.

Ben Fogle travels round the world to visit people who have given up the rat race.

Ben Fogle travels round the world to visit people who have given up the rat race.

Anton Du Beke and Giovanni Pernice head to Sicily, the island where Giovanni was born. They tour the island, and end up in Palermo. Expect breathtaking sights, bromance and sublime Sicilian cuisine - and maybe even a tango or two.

Gregg Wallace and Cherry Healey hit factory floors across Britain for a snoop around their supersized production lines. What are the secrets behind our supermarket staples?

The veteran naturalist investigates the discovery of a lifetime - the skull of a pliosaur, one of the most ferocious Jurassic predators ever known. This prehistoric marine reptile ruled the seas 150 million years ago, at the same time dinosaurs reigned on land. It measured up at an incredible 12 metres long and boasted phenomenal strength. David has been an avid fossil collector since he was a boy, but he has never come across a find quite like this. He follows two of the UK's most intrepid fossil hunters on their perilous expedition to excavate the skull from its resting place 12 metres up in a cliff face

Deep in Alaska, the primal way lives on. Fight the freeze, brave the wild, hold on to your sanity. And winter is no wonderland when temperatures plummet far below zero. This series follows the drama and hardships experienced by Alaskan households in different corners of this merciless territory as they battle to survive, thrive, and live life on their own terms.

Ben Fogle travels round the world to visit people who have given up the rat race.

Ben Fogle travels round the world to visit people who have given up the rat race.

Anton Du Beke and Giovanni Pernice head to Sicily, the island where Giovanni was born. They tour the island, and end up in Palermo. Expect breathtaking sights, bromance and sublime Sicilian cuisine - and maybe even a tango or two.

Gregg Wallace and Cherry Healey hit factory floors across Britain for a snoop around their supersized production lines. What are the secrets behind our supermarket staples?

A behind-the-scenes look at this dazzling exploration of Earth's biggest and most varied continent, Asia.