National Geographic: Sex in the Stone Age

The name of this movie is National Geographic: Sex in the Stone Age released in 2012-04-12 and it's main theme is A fragment of a pinky bone and a tooth twice the size of today's average molar are the only remnants of a species we now know lived at the same time and place as modern humans—and interbred with them. They are a part of us we never knew existed. What did these people look like? And how do they fit into what we thought we knew about our biological development as a species?.