Davina McCall: Life at the Extreme Episode Rating Graph

Davina begins her journey in Namibia, one of the hottest countries in the world. Here she comes face-to-face with one of the world's more iconic predators - the cheetah. Davina decides to test a cheetah's speed, by racing one of the wild cats. She then heads to a Game Reserve to learn more about how animals can cool themselves down, she also spends a night camping in the reserve. During the night, the camp is visited by a lion. Davina also meets the San Bushpeople, who live in the Kalihari desert. She also takes a look at the fog and how animals can use this as well.

In episode two, Davina travels to the Azores, a small group of remote islands in the middle of the Atlantic Ocean. Beneath the surface of the waves is a world brimming with life and a playground for some of the world’s deepest diving creatures.

In episode three, Davina travels to the islands of Svalbard in the Arctic Circle. It’s a harsh environment set across 15 million square kilometers of sea ice, where temperatures can drop to minus 40 degrees Celsius. Just 800 miles from the North Pole, her journey begins in Longyearbyen, one of the most Northerly towns in the world.

In the final episode of the series, Davina travels to the Costa Rican jungle, one of the wettest places on earth, a habitat in which animals thrive. Even with near 100 per cent humidity, and being less than a quarter of the size of the UK, it’s home to a staggering 500,000 species of life.