BBC Earth (HD)

Episode one of Sue Perkins' Lost In Thailand opens in magnificent Northern Thailand where Sue explores the breath-taking beauty of the Thai Highlands.

Nazaré in Portugal is the site of the biggest ocean waves ever recorded on Earth. To understand what creates these monsters, we use specialist jet-ski cameras to ride the waves.

Magical forests wrap around a labyrinth of waterways in Scandinavia's heartlands. Here, lynxes, wolves and reindeer survive the ever-changing seasons through surprising alliances.

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

In Africa, Gordon takes to the skies to see how a growing human population is affecting wildlife, from flamingos and elephants in Kenya, to humpback whales off the coast of Gabon.

Episode one of Sue Perkins' Lost In Thailand opens in magnificent Northern Thailand where Sue explores the breath-taking beauty of the Thai Highlands.

Nazaré in Portugal is the site of the biggest ocean waves ever recorded on Earth. To understand what creates these monsters, we use specialist jet-ski cameras to ride the waves.

Magical forests wrap around a labyrinth of waterways in Scandinavia's heartlands. Here, lynxes, wolves and reindeer survive the ever-changing seasons through surprising alliances.

In Africa, Gordon takes to the skies to see how a growing human population is affecting wildlife, from flamingos and elephants in Kenya, to humpback whales off the coast of Gabon.

Nazaré in Portugal is the site of the biggest ocean waves ever recorded on Earth. To understand what creates these monsters, we use specialist jet-ski cameras to ride the waves.

In the third leg of his journey, Simon Reeve is travelling down the length of California.

Episode one of Sue Perkins' Lost In Thailand opens in magnificent Northern Thailand where Sue explores the breath-taking beauty of the Thai Highlands.

Nick Knowles travels from the Alps to the Adriatic in another entertaining railway adventure as he journeys by train through the breath-taking scenery of Slovenia and Croatia.

In Africa, Gordon takes to the skies to see how a growing human population is affecting wildlife, from flamingos and elephants in Kenya, to humpback whales off the coast of Gabon.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut, she learns how destructive humans can be to the fragile coral reefs.

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

Anton and Giovanni's epic Spanish road trip comes to an emotional end as they reach Anton's mother's village before putting on a show for a crowd of thousands with Gorka Márquez.

In Africa, Gordon takes to the skies to see how a growing human population is affecting wildlife, from flamingos and elephants in Kenya, to humpback whales off the coast of Gabon.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut, she learns how destructive humans can be to the fragile coral reefs.

Nick Knowles travels from the Alps to the Adriatic in another entertaining railway adventure as he journeys by train through the breath-taking scenery of Slovenia and Croatia.

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

Anton and Giovanni's epic Spanish road trip comes to an emotional end as they reach Anton's mother's village before putting on a show for a crowd of thousands with Gorka Márquez.

In Africa, Gordon takes to the skies to see how a growing human population is affecting wildlife, from flamingos and elephants in Kenya, to humpback whales off the coast of Gabon.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut, she learns how destructive humans can be to the fragile coral reefs.

Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife.

In New Zealand, the White Island volcano erupts - with deadly consequences. A major storm pounds the city of Perth, triggering flash flooding, hail and a near-fatal road accident when a tree is blown on top of a driver.

Courteney Cox joins Bear in Ireland, where they climb jagged peaks, descend sheer cliffs, battle the cold and feast on maggots.

During the 1950s a young Sir David Attenborough and a team from London Zoo worked to conserve rare and exotic animals by bringing them to the UK. Part 1/2.

Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut, she learns how destructive humans can be to the fragile coral reefs.

In New Zealand, the White Island volcano erupts - with deadly consequences. A major storm pounds the city of Perth, triggering flash flooding, hail and a near-fatal road accident when a tree is blown on top of a driver.

Attenborough introduces conservation heroes fighting on the frontline to save wildlife.

During the 1950s a young Sir David Attenborough and a team from London Zoo worked to conserve rare and exotic animals by bringing them to the UK. Part 1/2.

Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife.

In New Zealand, the White Island volcano erupts - with deadly consequences. A major storm pounds the city of Perth, triggering flash flooding, hail and a near-fatal road accident when a tree is blown on top of a driver.

Courteney Cox joins Bear in Ireland, where they climb jagged peaks, descend sheer cliffs, battle the cold and feast on maggots.

Sue heads south to the enticing turquoise waters of Phuket, the country's largest island. Making her diving debut, she learns how destructive humans can be to the fragile coral reefs.

During the 1950s a young Sir David Attenborough and a team from London Zoo worked to conserve rare and exotic animals by bringing them to the UK. Part 1/2.

Shaquille O'Neal joins Bear in the Adirondack Mountains of Upstate New York, where they deal with dense forest, leeches and steep cliffs.

Simon Reeve voyages across the Coral Triangle, a remote wilderness of tropical reefs and jungle-clad islands described as the Amazon of the seas.

In Texas, Simon joins the US Border Patrol, who pick up migrants who have illegally crossed the Rio Grande river in search of a new life.

As winter turns to spring, Alaskans must seize the warming days. The everyday struggles of living in the secluded state of Alaska where one wrong decision could cost you your life.

Shaquille O'Neal joins Bear in the Adirondack Mountains of Upstate New York, where they deal with dense forest, leeches and steep cliffs.

Simon Reeve voyages across the Coral Triangle, a remote wilderness of tropical reefs and jungle-clad islands described as the Amazon of the seas.

In Texas, Simon joins the US Border Patrol, who pick up migrants who have illegally crossed the Rio Grande river in search of a new life.

As winter turns to spring, Alaskans must seize the warming days. The everyday struggles of living in the secluded state of Alaska where one wrong decision could cost you your life.

Simon Reeve voyages across the Coral Triangle, a remote wilderness of tropical reefs and jungle-clad islands described as the Amazon of the seas.

In Texas, Simon joins the US Border Patrol, who pick up migrants who have illegally crossed the Rio Grande river in search of a new life.

As winter turns to spring, Alaskans must seize the warming days. The everyday struggles of living in the secluded state of Alaska where one wrong decision could cost you your life.

Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife.

In Texas, Simon joins the US Border Patrol, who pick up migrants who have illegally crossed the Rio Grande river in search of a new life.

Simon Reeve voyages across the Coral Triangle, a remote wilderness of tropical reefs and jungle-clad islands described as the Amazon of the seas.

As winter turns to spring, Alaskans must seize the warming days. The everyday struggles of living in the secluded state of Alaska where one wrong decision could cost you your life.

Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife.

In Texas, Simon joins the US Border Patrol, who pick up migrants who have illegally crossed the Rio Grande river in search of a new life.

An introductory look at the Poles, and how these two extreme environments are important to all life on Earth.

Simon Reeve voyages across the Coral Triangle, a remote wilderness of tropical reefs and jungle-clad islands described as the Amazon of the seas.

As winter turns to spring, Alaskans must seize the warming days. The everyday struggles of living in the secluded state of Alaska where one wrong decision could cost you your life.

Exploring Hawaii, a tropical sanctuary for any wildlife that can reach its remote shores. From humpback whales to waterfall-climbing fish, it is home to a treasure trove of wildlife.

Shaquille O'Neal joins Bear in the Adirondack Mountains of Upstate New York, where they deal with dense forest, leeches and steep cliffs.

Simon Reeve voyages across the Coral Triangle, a remote wilderness of tropical reefs and jungle-clad islands described as the Amazon of the seas.

In Texas, Simon joins the US Border Patrol, who pick up migrants who have illegally crossed the Rio Grande river in search of a new life.

Mel B joins Bear in Wales, where they navigate cliffs, cross challenging terrain and tackle a huge descent. Mel also administers unconventional first aid to Bear, after he gets stung by a jellyfish.

Scandinavia's extremes have been shaped by ice and fire, but it's the sun that reigns here. Polar bears, musk oxen and arctic foxes must survive from the polar night to the midnight sun.

Michael enjoys an action-packed day savouring exquisite grilled fish, modelling traditional Spanish capes, and unearthing a secret speakeasy that was the favourite haunt of a literary hero.

Ben travels to northern Norway inside the artic circle to catch up with Randi after five years. Randi has expanded her small holding and is now a crucial member of the local community.

Mel B joins Bear in Wales, where they navigate cliffs, cross challenging terrain and tackle a huge descent. Mel also administers unconventional first aid to Bear, after he gets stung by a jellyfish.