Mankind Rising - S2.E8

How did we get here? In this episode -- Mankind Rising -- Curiosity answers this question by tracing the ultimate adventure: Mankind's journey of life from the first cell to present day. This is the improbable story of human existence -- where we’ve risen from raw materials of Earth to the big-brained, two-legged mammals we are today. One change or predator along the way and this story would have never been told.