Which documentary was released first, Walking with Cavemen or Life in the Freezer?
Walking with Cavemen Walking with Cavemen is a four-part television documentary series about human evolution produced by the BBC in the United Kingdom. It was originally released in April 2003. It was subsequently presented in the United States as a two-part series by the Discovery Channel and its affiliates. There was an accompanying book of the same title.
Prehistoric Park Prehistoric Park is a six-episode docu-fiction television mini-series that premiered on ITV on 22 July 2006 and on Animal Planet on 29 October 2006. The program was produced by Impossible Pictures, who also created "Walking with Dinosaurs". Each episode is an hour long including commercial breaks. Repeats of the show are broadcast in the UK on Watch.