Episode 1
Islands are wildlife sanctuaries, but surviving in isolation comes with extreme challenges.
Episode 2
The high peaks of the world are spectacular places where only the toughest survive.
Episode 3
The Jungle is home to more animal species than anywhere else on Earth.
Episode 4
Deserts are lands of such brutal extremes they have shaped remarkable survival stories.
Episode 5
From vast herds to epic predator and prey battles, Grasslands are home to huge spectacles.
Episode 6
Explore the world's cities and meet the wild animals that have found ways to survive here.
