H2O: The Molecule That Made Us - Episode Guide

Pulse opens on the rock and ice of Greenland, where geologist Stephen Mojzsis shares a new theory on how water first arrived on Planet Earth. See a dragonfly's incredible journey from India to Africa – the world's longest insect migration. Meet the Munoz family, who use cutting edge time-lapse rigs to show the rare spectacle of deserts around the world exploding from barren wastelands into rich carpets of flowers. But the pulse is under threat.

Civilizations turns our 'water lens' on human history. With primatologist Professor Richard Wrangham, the wildlife camera team head deep into Africa's Congo rainforest in search of wading-behavior in bonobos (a chimpanzee-like great ape) – providing a new theory on the evolution of bipedalism in humans. Starting in Ancient Egypt, it charts the critical role water plays in history, and around the world, we see the birth of civilizations on the banks of the great rivers: the Nile, Tigris and Euphrates, Indus, and Yellow. We end by asking if we can guarantee water supplies of the future?

Crisis examines how the planet's changing water cycle is forcing us to change our relationship with water. An increasingly, globalized agricultural industry is turning precious water reserves into profit, "mining" water faster than it can be replaced. As Chairman Emeritus of Nestle, Peter Brabeck-Letmathe says, ".... the water issue is more urgent than the climate issue." In its conclusion, the series revisits locations with the people holding candles in the darkness, and hope emerges that the water crisis is solvable.