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COSMOS: A SPACETIME ODYSSEY: Host Neil deGrasse Tyson travels to the Earth of the Carboniferous in the "The Lost Worlds of Planet Earth" episode airing Sunday, May 4, 2014 (9:00-10:00 PM ET/PT) on FOX and Monday, May 5, 2014 (9:00-10:00 PM ET/PT) on Nat Geo. (Photo by FOX via Getty Images) FOX via Getty