The Universe 2007 | TV Show Watchlist

Season 6, Episode 5 Worst Days on Planet Earth

First Aired: November 29, 2011

Catastrophic events on Earth billions of years ago are examined.

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  • Premiered: May 29, 2007
  • Rating: TV-PG
  • Premise: An astronomy series examing the history, scientific phenomena and mysteries of the universe. (more)

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