Episode 1 | Challenges of Life
In nature, living long enough to breed is a monumental struggle. Many animals and plants go to extremes to give themselves a chance.
Episode 2 | Reptiles and Amphibians
Reptiles and amphibians look like hang-overs from the past. But they overcome their shortcomings through amazing innovation.
Episode 3 | Mammals
Mammals dominate the planet. They do it through having warm blood and by the care they lavish on their young.
Episode 4 | Fish
Fish dominate the planet's waters through their astonishing variety of shape and behaviour.
Episode 5 | Birds
Birds owe their global success to feathers - something no other animal has. They allow birds to do extraordinary things.
Episode 6 | Insects
There are 200 million insects for each of us. They are the most successful animal group ever. Their key is an armoured covering that takes on almost any shape.
Episode 7 | Hunters and Hunted
Mammals' ability to learn new tricks is the key to survival in the knife-edge world of hunters and hunted.
Episode 8 | Creatures of the Deep
Marine invertebrates are some of the most bizarre and beautiful animals on the planet, and thrive in the toughest parts of the oceans.
Episode 9 | Plants
Plants' solutions to life's challenges are as ingenious and manipulative as any animal's.
