Impossible Animals - Episode Guide

The challenges posed by different habitats, beginning with the desert, a world with no water and where temperatures fluctuate from the blistering heat of midday to the freezing depths of night.

The rainforest is the richest habitat on Earth, but still the animals here must develop impressive locomotion, defence and camouflage skills to survive.

Patrick Aryee examines the animals that live on the coast. From crashing waves to extreme tides, surviving here takes ingenuity and incredible adaptations.