Which documentary was released first, Walking with Cavemen or Life in the Freezer?
Life in the Freezer
Title: Walking with Cavemen
Passage: 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.
Title: Iceland Foods: Life in the Freezer Cabinet
Passage: Iceland Foods: Life in the Freezer Cabinet is a British documentary television series about the Iceland supermarket chain that was first broadcast on BBC Two on 21 October 2013.  The three-part series was co-produced with the Open University.
Title: Life in the Freezer
Passage: Life in the Freezer is a BBC nature documentary series written and presented by David Attenborough, first transmitted in the United Kingdom from 18 November 1993.
Life in the Freezer Walking with Cavemen