Season 1

01 The Violent Past Episode 122nd April 2005 Earth is a planet born in fire and baptized in ice. Earth grew from the collision of many smaller planets, drawn together by Earth' s gravitational force and melted together from the force and heat of the impact. 02 Snowball Earth Episode 222nd April 2005 Over the ages, continents have shifted their positions, wind and rain shaping and reshaping the surface. Scientists believe that at least two total ice ages have occurred, each lasting for millions of years. 03 New Frontiers Episode 322nd April 2005 From microbes to the first complex creatures, life was always searching for new frontiers. By 450 million years ago, Earth had become a less violent planet - no longer bombarded by giant meteors from space and the great ice ages had passed. 04 Extinction and Rebirth Episode 422nd April 2005 The dinosaurs would roam the Earth and ruled for millions of years, until a disaster from space wiped them out and cleared the way for the mammals to rise and dominate the planet. 05 Survival of the Fittest Episode 510th May 2005 The human race is here today because of its ability to adapt. Our ancestors, the earliest mammals, survived low oxygen levels. Later primates developed sharp eyesight and hands that could clasp for nocturnal life in trees.