BBC Earth (HD)

Lucy must adapt to life as a hunter-gatherer and earn the respect of the tribesmen, whose knowledge, skills and understanding of the land will be vital for the expedition ahead.

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.

Simon Reeve voyages across Mexico's beautiful and remote Sea of Cortez, known as the "aquarium of the world," to dive with rare and dangerous sharks.

Lucy must adapt to life as a hunter-gatherer and earn the respect of the tribesmen, whose knowledge, skills and understanding of the land will be vital for the expedition ahead.

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.

Guangdong's coastline is the longest in China and is shelter to all manner of extraordinary marine life; Corals, Green Turtles, Bowed fiddler crabs, and the Black-faced spoonbill.

Simon Reeve voyages across Mexico's beautiful and remote Sea of Cortez, known as the "aquarium of the world," to dive with rare and dangerous sharks.

Returning to Nepal, the film crew use thermal cameras and drones to follow tigers after dark, revealing a hidden world of previously unseen behaviour and surprise encounters.

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.

The first leg of Simon's Scandinavian journey takes him from Svalbard, the beautiful archipelago that marks the northernmost outpost of Norway, south into the magical snowy region of Lapland.

Simon Reeve voyages across Mexico's beautiful and remote Sea of Cortez, known as the "aquarium of the world," to dive with rare and dangerous sharks.

In the mountains of Piedmont, Ben meets Father Johannes, who lives an isolated life while fulfilling duties as a priest. Ben finds they have more in common than expected.

Returning to Nepal, the film crew use thermal cameras and drones to follow tigers after dark, revealing a hidden world of previously unseen behaviour and surprise encounters.

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.

Lucy must adapt to life as a hunter-gatherer and earn the respect of the tribesmen, whose knowledge, skills and understanding of the land will be vital for the expedition ahead.

In the mountains of Piedmont, Ben meets Father Johannes, who lives an isolated life while fulfilling duties as a priest. Ben finds they have more in common than expected.

Simon Reeve voyages across Mexico's beautiful and remote Sea of Cortez, known as the "aquarium of the world," to dive with rare and dangerous sharks.

Sir David Attenborough presents Coasts, where two worlds collide and animals battle to survive.

In the mountains of Piedmont, Ben meets Father Johannes, who lives an isolated life while fulfilling duties as a priest. Ben finds they have more in common than expected.

Simon Reeve voyages across Mexico's beautiful and remote Sea of Cortez, known as the "aquarium of the world," to dive with rare and dangerous sharks.

Lucy must adapt to life as a hunter-gatherer and earn the respect of the tribesmen, whose knowledge, skills and understanding of the land will be vital for the expedition ahead.

The world of the Aztecs is invaded by the Spanish - but is the real threat from within?

In the mountains of Piedmont, Ben meets Father Johannes, who lives an isolated life while fulfilling duties as a priest. Ben finds they have more in common than expected.