Planet Earth (2006 series)

Planet Earth is a 2006 British television series produced by the BBC Natural History Unit and narrated by David Attenborough. Five years in the making, it was the most expensive nature documentary series ever commissioned by the BBC and the first to be filmed in high definition. It originally ran from March 5 to December 10, 2006. A sequel series, Planet Earth II, was released in 2016. A third series, Planet Earth III, is planned to be released sometime in 2022.