The Lost Worlds of Planet Earth The Lost Worlds of Planet Earth "The Lost Worlds of Planet Earth" is the ninth episode of the American documentary television series "". It premiered on May 4, 2014 on Fox, and aired on May 5, 2014 on National Geographic Channel. The episode was directed by Brannon Braga, written by Ann Druyan and Steven Soter, and featured the voice of Amanda Seyfried as geologist Marie Tharp. The episode explores the history of the Earth starting with the period of the Late Heavy Bombardment, approximately "3.8 to 4.1 Billion years ago during which the Moon, Mercury, Venus, Earth and were battered
Planet Earth (1986 TV series) funded production of the series. It enjoyed success in its original run, airing weekly on Thursday evenings on PBS from January 22 to March 5, 1986. A companion book to the series written by Jonathan Weiner, also entitled "Planet Earth", was published in 1986 by Bantam Books. Both the series and the companion book sometimes are marketed as "Our Planet Earth" in an attempt to avoid confusion with the 2006 BBC series "Planet Earth". Some footage shot for "Planet Earth" later also was used in the 1992 PBS series "Earth Revealed". In January 1986, "Los Angeles Times" critic Lee Margulies