Dr Alice Roberts (Coast, Don't Die Young), travels to the ends of the earth to trace the extraordinary beginnings of the human story in The Human Journey, a landmark series for BBC Two.
Using the latest genetic, climate and archaeological evidence, she will discover the five epic routes our ancestors took across the globe, and the obstacles and brutal challenges they encountered along the way.
She will discover where we came from, how our ancestors colonised the world, and how their journeys changed us.