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Travel back in time to look at three of the largest mass extinctions that have decimated life on the planet. What caused these wipeouts?
First Air Date : Sep 15, 2004
Last Air date : Aug 25, 2011
Episode : 129 Episode
Season : 8 Season
Runtime: 60:45 minutes
Studio: National Geographic
Country: United Kingdom, United States of America
Cast:
Crew:
