Overview: David Attenborough presents a nature documentary series looking at why mammals are the most successful creatures on the planet.
Watch Trailer
First Air Date: Nov 20, 2002Last Air date: Feb 05, 2003Season: 1 SeasonEpisode: 10 EpisodeRuntime: 50 minutesQuality: HDIMDb: 8.30 / 10 by 42 usersPopularity: 13.657Language: English