Season 5 poster

Season 5

28 episodes February 11, 2008

Episodes

1 Grand Canyon Feb 11, 2008 No ratings 2 The Rockies Feb 11, 2008 No ratings 3 Birth of America No ratings 4 Birth of Life No ratings 5 Pluto Rediscovered No ratings 6 Mars: Waterworld No ratings 7 Saturn's Secrets No ratings 8 Asteroid Alert No ratings 9 First to Cross the Ocean No ratings 10 Time Machine Sep 11, 2008 No ratings 11 Earth's Invisible Shield No ratings 12 Big Bang No ratings 13 Supercontinent No ratings 14 Who killed the Aztecs? No ratings 15 Ice Age Meltdown Apr 9, 2009 No ratings 16 What's Sexy Apr 16, 2009 No ratings 17 How to Kill a Planet Apr 23, 2009 No ratings 18 Hubble's Amazing Universe May 14, 2009 No ratings 19 Anatomy of a Hurricane Jun 4, 2009 No ratings 20 Twister Outbreak Jun 11, 2009 No ratings 21 Earth's Evil Twin Jun 25, 2009 No ratings 22 Secret Life of Fireworks Jul 2, 2009 No ratings 23 Tsunami From Outer Space Jul 9, 2009 No ratings 24 How the West Was Made Jul 16, 2009 No ratings 25 Living on the Moon Jul 23, 2009 No ratings 26 Birth of The Oceans Aug 20, 2009 No ratings 27 Stephen Hawking's Universe Aug 23, 2009 No ratings 28 Death of the Universe No ratings