BBC Earth

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

Gregg Wallace explores the HSL factory in West Yorkshire to find out how they make more than 5,000 sofas every year. Meanwhile, Cherry Healey learns about the science of light bulbs.

More kinds of plants are crammed together in the tropical rainforests than anywhere else on Earth. The result is astonishing beauty and intense competition, a plant battleground. New filming techniques make it possible to enter the plants' world and see it from their perspective and on their timescale. From fast-growing trees to flowers that mimic dead animals, this is a journey into a magical world.

Cameras focus on the island of Taiwan, and three extraordinary railways. The journey begins in the eastern port city of Hualien, from where it travels north along the rugged Pacific coast.

After six years globetrotting, Scott and Casey gambled their life savings on a kite-surfing school in a remote stretch of the Peruvian coast. As Ben lives their day-to-day life, he also learns what led them both to this decision.

Gregg Wallace explores the HSL factory in West Yorkshire to find out how they make more than 5,000 sofas every year. Meanwhile, Cherry Healey learns about the science of light bulbs.

Arctic residents must adapt to the changing climate patterns to survive in the wild.

More kinds of plants are crammed together in the tropical rainforests than anywhere else on Earth. The result is astonishing beauty and intense competition, a plant battleground. New filming techniques make it possible to enter the plants' world and see it from their perspective and on their timescale. From fast-growing trees to flowers that mimic dead animals, this is a journey into a magical world.

Cameras focus on the island of Taiwan, and three extraordinary railways. The journey begins in the eastern port city of Hualien, from where it travels north along the rugged Pacific coast.

After six years globetrotting, Scott and Casey gambled their life savings on a kite-surfing school in a remote stretch of the Peruvian coast. As Ben lives their day-to-day life, he also learns what led them both to this decision.

Gregg Wallace explores the HSL factory in West Yorkshire to find out how they make more than 5,000 sofas every year. Meanwhile, Cherry Healey learns about the science of light bulbs.

Arctic residents must adapt to the changing climate patterns to survive in the wild.

The second year of a definitive seven-year diary, documenting the fight to save our planet's most threatened ecosystems. Six presenters meet the people fighting to restore the balance.

The spy creatures reveal the extraordinary relationships that exist among the ocean's animals. Spider crabs rise up from the abyss in their thousands to shed their shells, but as Spy Crab discovers, this makes them a target for hunting stingrays.

Ben heads to South-East Asia to meet entrepreneur Niall who traded in his high-flying career, for the beaches of Thailand to help the country's street-dogs, who in turn, have rescued him.

In Eagle, Andy constructs wolf snares to protect the moose population in the area. Erik and Martha cut up their last moose quarter and use salvage to construct a smokehouse in Wiseman.

Alexander Armstrong leaves Reykjavik for the long drive north, passing through some of Iceland's most stunning scenery. He reaches northern Iceland and the legendary port of Husavik, beloved of whale watchers, Will Ferrell and Eurovision fans.

Wildfires ravage California, a tornado terrorises people trapped in a gas station, daredevils skydive over Antarctica, and a microburst causes chaos.

The second year of a definitive seven-year diary, documenting the fight to save our planet's most threatened ecosystems. Six presenters meet the people fighting to restore the balance.

The spy creatures reveal the extraordinary relationships that exist among the ocean's animals. Spider crabs rise up from the abyss in their thousands to shed their shells, but as Spy Crab discovers, this makes them a target for hunting stingrays.

Ben heads to South-East Asia to meet entrepreneur Niall who traded in his high-flying career, for the beaches of Thailand to help the country's street-dogs, who in turn, have rescued him.

In Eagle, Andy constructs wolf snares to protect the moose population in the area. Erik and Martha cut up their last moose quarter and use salvage to construct a smokehouse in Wiseman.

Alexander Armstrong leaves Reykjavik for the long drive north, passing through some of Iceland's most stunning scenery. He reaches northern Iceland and the legendary port of Husavik, beloved of whale watchers, Will Ferrell and Eurovision fans.