BBC Earth HD

'S3/E5'. It's the penultimate leg of the race and the longest so far. The teams must travel from the islands of Bocas del Toro on northern Panama's Caribbean coast to Medellín, Colombia's second-largest city.

'S11/E15 - Japan'. This episode features Rupert, a Yorkshireman who moved to the remote countryside of southern Japan to grow rice.

'S12/E1 - Deep Dark Winter'. Sue Aikens sorts her plumbing before the pipes freeze. Ricko spots some moose on the way to laying traps for wolverines. Chip Hailstone and his daughters go fishing, Alaskan style.

'S1/E3 - Forests'. Science documentary looking at how forest ecosystems reduce global carbon levels and effect climate.

'S8/E4 - Scotland'. Ben meets Jake Williams, a 70-year-old hermit living on the edge of a forest in the Cairngorms, who has made a home on the site of an ancient settlement and enjoys a diet of roadkill stir fry.

'S11/E1 - Pulled from the Darkness'. As Alaskans enter a new dawn in the Arctic winter, they must adapt to the changing landscape if they are to survive.

'S2/E6 - France - La Ligne de Cevenne'. The 200-mile Ligne de Cévennes travels north from Nîmes to France's volcanic heart and the spectacular Puy De Dôme. It travels across three historic viaducts.

'S5/E6'. In Germany, floods tear through central European towns and villages. In Nepal a landslide threatens local communities. In California, wildfires tear through the states forests and farms.

'S1/E1'. Our story begins in Gordion in 333 BC. This city in Asia is associated with an astonishing legend. It has a chariot with a knot, reputed to be inextricable.

'S1/E4 - Memphis - The Muddy South'. Griff hits Memphis to trace the roots of blues, soul, and rock'n'roll on the banks of the Mississippi.

'S2/E7 - New Zealand'. We're travelling on New Zealand's famous Northern Explorer down the North Island.

'S1/E2'. Alexander's campaign moves south as he abandons the pursuit of Darius and marches into Egypt, where he is welcomed as a liberator from Persian rule.

'Mysteries Of The Pyramids With Dara Ó Briain. S1/E1'. In this first episode, Dara Ó Briain - comedian, amateur astronomer and confirmed sceptic - embarks on a journey to explore the mysteries of the world's pyramids.

'S11/E16 - Thailand'. This episode features a young woman who gave up a thriving business career in Bangkok to start her own farmstead in remote Thailand.

'S12/E2 - Night Moves'. Sue hunts caribou before a big storm approaches. At Calico Bluff Andy and Denise work on building a solar array. At Noorvik village Chip Hailstone performs safety checks on the ice.

'S3/E1 - Sicily'. An extraordinary journey through Sicily across a landscape bearing the remains of ancient civilizations, and seven UNESCO World Heritage Sites.

'S1/E4 - Memphis - The Muddy South'. Griff hits Memphis to trace the roots of blues, soul, and rock'n'roll on the banks of the Mississippi.