Where did we come from? And how will it end? He embarks on a voyage of discovery undertaken by scientists over the centuries, showing how mankind has gradually come to comprehend the nature of matter: the planets, the stars, the galaxies and the cosmos itself. Professor Hawking explains how every new discovery and evidence obtained by meticulous experiment, has provided not only fresh clues but also revealed greater puzzles. Professor Stephen Hawking is a household name and brings his unique talents to this 6 part documentary series which probes the very essence of the universe. Filmed in historical locations in Europe, America and Australia.