BBC Earth HD

Sue repairs her cabin in Chena. The DeWildes set a net. Jessie spends time with his young dogs. Chip receives medical attention after an accident.

Inching his way across the Stony Creek Bridge on the Kuranda Scenic Railway, Michael marvels at the engineering expertise of the 1890s.

Hannah Fry reveals the miraculous technologies that define the modern world.

Steve heads into the heart of the Suriname Jungle. He goes in search of poison dart frogs, deadly snakes and hopes to find the elusive giant river otter.

Michael Portillo crosses the south east of Australia from Canberra to the multi-ethnic heart of Melbourne.

Alaskans rediscover old practises to get through the heart of winter.

A disabled retiree turned into a modern-day nomad travels across the United States and uses a renovated military transport vehicle for her journey.

The last leg of Joanna Lumley's journey takes her by dhow to Zanzibar, the spice island of Africa where merchants from around the world have left their mark on the architecture, religion and music.

Bettany sets off in waters of the Eastern Mediterranean near Fourni.

Ben travels to Norway to catch up with former Stone Age host Lynx, who now lives in the Norwegian wilderness.

Sue repairs her cabin in Chena. The DeWildes set a net. Jessie spends time with his young dogs. Chip receives medical attention after an accident.

Ruby Wax, Mel B and Emily Atack travel off-road through Utah and trek the mountains of Aspen as they investigate the meaning of the American Dream.

Ben visits snowboarding legend Mike Basich, who left professional sport to reconnect with nature in the Sierra Nevada mountains.

Alaskans take advantage of a brief reprieve from Dark Winter's wrath.

Nick leaves the desert sands of the Gobi and the dramatic peaks of the West to travel to Mongolia's capital.

Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival.

It's the end of an extraordinary year for the animals of the Serengeti. In the aftermath of a huge fire, which families made it through alive?

Reza explores the possibility of human habitation in an impenetrable canyon system in Oman.

Steve searches for deadly animals living in the capital of Suriname. From snakes in people's gardens to snail-catching kites and one of the deadliest snakes on earth.

Mammals have mastered every environment on Earth, but today the planet is changing faster than ever. Mammals must change with it to have a chance of survival in this, the new wild.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Manitoba, North Canada, and visits a town that sometimes has more polar bears than people.

British comedian and travel enthusiast Griff Rhys Jones explores the prairies and vast sprawling plains of both Saskatchewon and Alberta provinces and discovers they reveal riches from fossils to farmland.

Michael Portillo travels through the Socialist Republic of Vietnam. Near the formidable imperial city of Hue, Michael meets milliner Mrs Ngo, who teaches him how to make the iconic conical hat.

In the heaving megacity of Jakarta, Michael Portillo uncovers Indonesia's colonial past as part of a Dutch empire and its rich history as a port.

Following the drama of the African savannah. A young hyena loses her mother in a terrifying attack by some rogue male lions and has to assume the leadership of her family.

As the Serengeti starts to dry out, competition hots up between the families of lions, cheetahs, baboons, elephants, ostriches and hyenas.

Steve has one more dive he wants some of them to experience.

The team of young shark saviours are coming to the end of their time in the shark sanctuary around the island of Bimini in the Bahamas. Now, they are on their last dive - to see great hammerheads.

Joanna Lumley sets off on one her most epic voyages yet. A journey through the world's greatest spice continents.

Joanna returns to her birthplace, India, in search of a kitchen cupboard staple once known as 'black gold'.

Joanna Lumley's spice journey continues on the African island of Madagascar. Travelling overland, she discovers the secrets of the world's second most expensive spice, vanilla.

Police officers form a human chain as they attempt the dramatic rescue of a family.

From freshwater jungle ponds to the dark depths of the open ocean, air breathing mammals have found remarkable ways to overcome the many challenges of a life in water.

Underwater cameraman Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter.

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

Nick starts with a helicopter ride along the northernmost stretch of the Mississippi.

Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival.

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

Nick starts with a helicopter ride along the northernmost stretch of the Mississippi.

Ben visits snowboarding legend Mike Basich, who left professional sport to reconnect with nature in the Sierra Nevada mountains.

Reza explores the possibility of human habitation in an impenetrable canyon system in Oman.

Alaskans soldier through the heart of dark winter in pursuit of the resources they desperately need for survival.

Ben returns to Morocco to meet Karen again, who had built a guest house and artists' retreat in this inhospitable location.

Sue continues to restore her cabin. Ricko travels with his son to the family cabin. Jessie gathers firewood. The Hailstones go muskox hunting.

Nick starts with a helicopter ride along the northernmost stretch of the Mississippi.

Ben Fogle meets Rhona Mitra who has swapped her home in Hollywood for a remote farmhouse in Uruguay.

Alaskans test their will and luck against Dark Winter's obstacles.

The trio are inspired to step out of their own comfort zone as they prepare to emulate Isabella's most impressive feat - summitting a 14,000ft mountain.

From freshwater jungle ponds to the dark depths of the open ocean, air breathing mammals have found remarkable ways to overcome the many challenges of a life in water.

As our characters bring new life into peaceful times, a great storm is building which transforms their welcoming world into a wet nightmare.

Reza investigates the evidence of Persian leopards' existence in the mountains of Iraqi Kurdistan.

Michael Portillo travels from the coal mines of Newcastle, New South Wales, to Brisbane, crossing the mighty Hawkesbury River.

Cowboys and the world's largest retractable roof. This $1.2 billion stadium can house over 100,000 fans, and we'll go inside how this engineering feat was built.

From ice-covered seas to snow-capped mountains, mammals have conquered the cold, living in the harshest places on earth, thanks to their remarkable intelligence and adaptations.

Adventurer Ben Fogle returns to the Pembrokeshire coast to catch up with Matthew and Charis Watkinson, and their two children.

Sue collects firewood. Ricko and his son Skyler go beaver trapping. Jessie explores his newly purchased land. The Hailstones move up river.

Starting in Alexandria, Alice searches for Cleopatra, discovers how the Romans and the Greeks reacted to the treasures of Ancient Egypt, and learns how a slave became a sultan and built his own caste.

Reza investigates the evidence of Persian leopards' existence in the mountains of Iraqi Kurdistan.