David Attenborough series on the natural history of the polar regions; Attenborough appeared on screen and authored the final episode, in addition to performing voiceover duties. Attenborough introduced and narrated the Unit's first 4K production "Life Story." For "Planet Earth II" (2016), Attenborough returned as narrator and presenter, with the main theme music composed by Hans Zimmer. In October 2014, the corporation announced a trio of new one-off Attenborough documentaries as part of a raft of new natural history programmes. "Attenborough's Paradise Birds" and "Attenborough's Big Birds" was shown on BBC Two and "Waking Giants", which follows the discovery of giant dinosaur
David Attenborough of "Natural World", BBC Two's flagship wildlife series. (Its forerunner, "The World About Us", was created by Attenborough in 1969, as a vehicle for colour television.) In 1997, he narrated the "BBC Wildlife Specials", each focussing on a charismatic species, and screened to mark the Natural History Unit's 40th anniversary. As a writer and narrator, he continued to collaborate with the BBC Natural History Unit in the new millennium. Alastair Fothergill, a senior producer with whom Attenborough had worked on "The Trials of Life" and "Life in the Freezer", was making "The Blue Planet" (2001), the Unit's first comprehensive series