Episode 1
Mountains
Only the toughest animal species can endure the extreme weather, scarce food and limited oxygen available on t...
Episode 2
Oceans
Dive beneath the surface of Earth’s dynamic oceans to uncover the extreme conditions to which animals must con...
Episode 3
Grasslands
In the grasslands, animals endure freezes, fires, floods, and droughts. Bull elephants clash in mating battles...
Episode 4
Jungles
Jungles comprise the most diverse habitats on Earth in which only the most resilient species triumph. The fier...
Episode 5
Deserts
Deserts are getting even hotter, drier and bigger, yet a host of remarkable animals still survive in the harsh...
Episode 6
Polar
The frozen poles are home to the planet's ultimate survivalists, including polar bears, penguins and Arctic wo...