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: The Future series producer was Fergus Beeley. When the first episodes of "Planet Earth" were broadcast in the UK, the producers were criticised by some green campaigners for glossing over the environmental problems faced by the planet. Executive producer Alastair Fothergill defended the approach, explaining that a heavy-handed environmental message would not work on primetime BBC One. However, the "Planet Earth" film crews witnessed first-hand scenes of environmental degradation and the increasing scarcity of wildlife in some of the shooting locations. This experience formed the basis of "Planet Earth - The Future", which was designed to engage viewers in a mature debate