The Universe Worst Days on Planet Earth (Season 6, Episode 5)
TV-14
TV Episode | 44 min | Documentary, History

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The Universe

Worst Days on Planet Earth (Season 6, Episode 5)

TV-14

TV Episode | 44 min | Documentary, History

Earth may seem like the most hospitable planet in the solar system. But look again. Startling new discoveries reveal the blue planet has been plagued by more chaos and destruction than scientists once imagined. Stand on the Earth billions ...See moreEarth may seem like the most hospitable planet in the solar system. But look again. Startling new discoveries reveal the blue planet has been plagued by more chaos and destruction than scientists once imagined. Stand on the Earth billions of years ago as a primitive planet slams into it. Shiver as our entire globe is frozen over like a gigantic snowball. Feel the heat as mammoth volcanoes scorch the landscape and darken the sky. From a cosmic gamma ray burst frying away the ozone layer to an Everest-size asteroid slamming into the ocean, we'll reveal new information about how these unparalleled events drove life to the brink of total extinction. Out of this continuous devastation, how has our planet--and life--got to where it is today? Are the worst days behind us--or lurking in the distant future? Written by Anonymous See less

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Cast	+ Add Cast
8 cast members

Name	Known for
Erik Thompson Narrator Narrator See fewer	A Murder of Crows (1998)
Michael Mischna Self - NASA / JPL Self - NASA / JPL See fewer	The Universe (2007)
Laura Danly Self - Griffith Observatory Self - Griffith Observatory See fewer	How the Universe Works (2010)
Dan Durda Self - Southwest Research Institute Self - Southwest Research Institute See fewer	Alternate Universe: A Rescue Mission (2016)
Donald Brownlee Self - Univ. of Washington (as Don Brownlee) Self - Univ. of Washington (as Don Brownlee) See fewer	The Cross of the Moment (2016)
Alex Filippenko Self - Univ. of California, Berkeley Self - Univ. of California, Berkeley See fewer	The Universe (2002)
Greg Laughlin Self - Univ. of California, Santa Cruz Self - Univ. of California, Santa Cruz See fewer	The Universe (2007)
Peter Ward Self - Univ. of Washington Self - Univ. of Washington See fewer	Ancient Aliens (2009)