BBC Earth HD

'S2/E3'. Bob has harboured a childhood dream to catch a salmon, so he and Paul set off for the River Tay in Scotland.

'S1/E2'. Alice Roberts is on a train to Ankara on her Ottoman adventure. She visits the tomb of Ataturk who saw out the end of the empire.

'World's Most Amazing Walks With Robson Green. S1/E1 - Hadrian's Wall'. Robson Green sets out on one of the most iconic walks in the UK, the Hadrian's Wall path.

'S4/E6 - Revisit: Suffolk'. Join Ben as he revisits Will Lord, a true British caveman, in Suffolk's woodlands. Discover how Will's prehistoric dreams have evolved over three years and how his loved ones embrace this lifestyle.

'S1/E1'. Documentary travelogue on the North Coast 400, a scenic touring route that navigates the wilds of the Northern Highlands.

'S1/E4 - Japan'. By the mid-19th century, Japan has been cut off from outside western influence for more than 200 years.

'S10/E8 - Columbia'. Adventurer Ben Fogle meets Vanessa Forero deep in the Sierra Nevada de Santa Marta, an isolated mountain range in the north of Columbia.

'S11/E2 - Like Ghosts'. The Hailstones produce an original work of Inupiaq art, and Cole Sturgis ventures into the wilds of the Southeast on a life-or-death hunt.

'S1/E4 - Galapagos: Enchanted Isles'. Discovering how the Galapagos became one of the most important areas of biodiversity in the world.

'S2/E1'. Travelling to Arran and Holy Isle, Ben Fogle learns how they're a haven for diverse faiths and beliefs, makes Jewish challah bread and visits a Buddhist peace centre.

'World's Most Amazing Walks With Robson Green. S1/E2 - Austria'. Robson Green is in Austria hiking along the stunning Wachau Valley, following the incredible blue Danube.

'S1/E2'. Alice Roberts is on a train to Ankara on her Ottoman adventure. She visits the tomb of Ataturk who saw out the end of the empire.

'S1/E3'. Alexander begins in Mumbai, riding the city's gleaming new metro before venturing into a forest with the world's highest concentration of leopards.

'Big Adventures: into the Amazon with Robson Green. S1/E1'. Robson's journey begins in Alter do Chao, known as the gateway to the rainforest, and the Amazon's answer to the Caribbean.

'S1/E2'. Meet members of a remote community as they try to revive a much-loved tradition.

'S1/E3'. After a week in deepest Turkey, Alice Roberts finally arrives in Istanbul to learn about how the clever Ottoman tactics required to wrestle the city from the Romans.

'S1/E1'. In the first leg of an epic 1300 miles across Nigeria, Michael is in bustling Lagos and an extraordinary waterfront slum school, then dodges alligators at the Emir of Kano's palace.

'Big Adventures: into the Amazon with Robson Green. S1/E2'. This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

'S10/E9 - Ireland'. On Great Blasket Island, off the coast of Ireland, Ben stays with London couple Dan and Emily, who landed an extraordinary job as island caretakers on Europe's rugged western frontier.

'S11/E3 - On the Auroras'. Alaskans confront the environment, and themselves, as winter bears down.

'S1/E4'. Entering The Balkans by sleeper train, Alice Roberts is in Bulgaria's capital Sofia. She'll learn how the empire was controlled from Istanbul and how today the landscape today is almost entirely Soviet.

'S1/E2'. Meet members of a remote community as they try to revive a much-loved tradition.