BBC Earth

Korean star Song Ji-hyo will undertake the greatest challenge of her life: free diving with the legendary haenyeo female underwater sea fishers, who she feels a special connection to.

Feel the burn at a state-of-the-art gym that used to be a psychiatric hospital and in a climbing complex that once was a sugar refinery.

Marshawn Lynch joins Bear on the French island of Corsica, where they chase a wild hog, navigate cliffs and encounter the French Foreign Legion.

Steve Backshall goes searching for Patagonia's perfect predator: the puma. After waiting his whole life to see one, Steve sees a tiny cub and witnesses a female puma hunting an armadillo.

Steve Backshall goes in search of bat-hunting boas, meets a team working to save the deadly but cute slow loris, and he comes face to face with the king of snakes: the king cobra.

The Simien Mountains is an exotic and dramatic landscape set in the northern corner of Ethiopia. Breath-taking views abound in this natural landscape inhabited by unique and endangered wildlife.

Lindsey Vonn joins Bear on the French island of Corsica, where they rappel down a rock wall, use a spear gun, swim and dine on sea urchins.

From space, Earth's surface is covered in wonderful shapes. Wombats dig burrows across the Australian outback and elephants in in the Congo clear an opening in the forest.

Nick learns about Civil Rights activist Medgar Evers, and paddles on the river at sunset.

Reza is in Saudi Arabia to reveal the secrets of a hidden frontier on the brink of historic change.

Lindsey Vonn joins Bear on the French island of Corsica, where they rappel down a rock wall, use a spear gun, swim and dine on sea urchins.

From space, Earth's surface is covered in wonderful shapes. Wombats dig burrows across the Australian outback and elephants in in the Congo clear an opening in the forest.

Reza is in Saudi Arabia to reveal the secrets of a hidden frontier on the brink of historic change.

Lindsey Vonn joins Bear on the French island of Corsica, where they rappel down a rock wall, use a spear gun, swim and dine on sea urchins.

From space, Earth's surface is covered in wonderful shapes. Wombats dig burrows across the Australian outback and elephants in in the Congo clear an opening in the forest.

The Simien Mountains is an exotic and dramatic landscape set in the northern corner of Ethiopia. Breath-taking views abound in this natural landscape inhabited by unique and endangered wildlife.

Reza is in Saudi Arabia to reveal the secrets of a hidden frontier on the brink of historic change.

Michael Palin explores Caracas's stark wealth divide and political crisis before heading to the Amazon to see Angel Falls and uncover the impact of illegal gold mining.

Feel the burn at a state-of-the-art gym that used to be a psychiatric hospital and in a climbing complex that once was a sugar refinery.