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Risk And Reward: After the long hard drought, the arrival of the first rains are a huge relief for the ring-tailed lemur gangs in Madagascar. (S1, ep 3)

Bolivia: The crowning jewel of Bolivia is the extraordinary Salar de Uyuni, a salt flat so white that it can be seen from space. But what else lies in the South American country? (S1, ep 3)

Autumn: Adapt or perish in the coral streets as higher-than-normal temperatures make autumn cooling (and survival) more difficult. (3 of 4)

Elephant Valley: Follow a herd of elephants from sunrise to sunset. In a valley full of life, they encounter many colourful characters. But it all changes when the drought comes. (S1, ep 1)

Bahamas: Across the 3,000 scattered islands of the Bahamas lie incredible natural wonders, from giant pine forests to secret labyrinths of underwater caves. (S1, ep 3)

Life And Death In The Dunes: The Arabian Desert is one of the most challenging places on Earth. While the animals may be resilient, they know that death is never too far away. (S1, ep 3)

Utah: Zion National Park is one of the world's most spectacular and unforgiving natural landscapes - a 100,000-square-mile labyrinth of deep canyons and intimidating walls. (S1, ep 4)

Top male Paulo protests a woolly weigh-in, the siamang gibbons have a new experience and the capuchins use some clever tricks to track down some tasty treats. (S15, ep 7)

A huge storm pummels the park leaving a trail of destruction in its wake, and there's friction at Stumpie House as Toto and Freddie fight for the top spot. (S15, ep 8)

Belize: The Belize Barrier Reef is the second-largest coral reef in the world, and its waters are home to a remarkable marine ecosystem that includes rare and exotic fish. (S1, ep 4)

Weird Wonders Of The Wadi: Wadis are small waterholes in the desert and are vital resources for the creatures that live there. However, danger lurks as predators join the party. (S1, ep 4)

Baboons Of Bambelela: The Bambelela Troop is a successful troop of chacma baboons that live in a pristine South African valley. But now they aren't the only baboons around. (S1, ep 4)

Deadly Rivals: A group of spotted hyenas moves into a burrow that's close to where a litter of wild dog pups reside. (S3, ep 5)

The Karst Caves: Between Southeast Asia's two most formidable geographical barriers - the Mekong and the Annamite mountains - lies a rugged landscape marked with caves. (S1, ep 4)

Top male Paulo protests a woolly weigh-in, the siamang gibbons have a new experience and the capuchins use some clever tricks to track down some tasty treats. (S15, ep 7)

A huge storm pummels the park leaving a trail of destruction in its wake, and there's friction at Stumpie House as Toto and Freddie fight for the top spot. (S15, ep 8)

Belize: The Belize Barrier Reef is the second-largest coral reef in the world, and its waters are home to a remarkable marine ecosystem that includes rare and exotic fish. (S1, ep 4)

Weird Wonders Of The Wadi: Wadis are small waterholes in the desert and are vital resources for the creatures that live there. However, danger lurks as predators join the party. (S1, ep 4)

Baboons Of Bambelela: The Bambelela Troop is a successful troop of chacma baboons that live in a pristine South African valley. But now they aren't the only baboons around. (S1, ep 4)

Deadly Rivals: A group of spotted hyenas moves into a burrow that's close to where a litter of wild dog pups reside. (S3, ep 5)

The Karst Caves: Between Southeast Asia's two most formidable geographical barriers - the Mekong and the Annamite mountains - lies a rugged landscape marked with caves. (S1, ep 4)

Top male Paulo protests a woolly weigh-in, the siamang gibbons have a new experience and the capuchins use some clever tricks to track down some tasty treats. (S15, ep 7)

A huge storm pummels the park leaving a trail of destruction in its wake, and there's friction at Stumpie House as Toto and Freddie fight for the top spot. (S15, ep 8)

Lake Manyara National Park: Explore the towering mountains of north Tanzania. Enriched by ancient volcanoes, its slopes provide a variety of habitats for life to thrive. (S1, ep 2)

The Island Of Giants: Explore how whale sharks drive the culture of Santa Maria, the only European hotspot for these giants and why warming seas may be drawing them in. (S1, ep 1)

The Karst Caves: Between Southeast Asia's two most formidable geographical barriers - the Mekong and the Annamite mountains - lies a rugged landscape marked with caves. (S1, ep 4)

Deadly Rivals: A group of spotted hyenas moves into a burrow that's close to where a litter of wild dog pups reside. (S3, ep 5)