Sezon 5
Bölümler
1 Grand Canyon 11 Şub 2008 
2 The Rockies 11 Şub 2008 
3 Birth of America 
4 Birth of Life 
5 Pluto Rediscovered 
6 Mars: Waterworld 
7 Saturn's Secrets 
8 Asteroid Alert 
9 First to Cross the Ocean 
10 Time Machine 11 Eyl 2008 
11 Earth's Invisible Shield 
12 Big Bang 
13 Supercontinent 
14 Who killed the Aztecs? 15 Ice Age Meltdown 9 Nis 2009 16 What's Sexy 16 Nis 2009 17 How to Kill a Planet 23 Nis 2009 18 Hubble's Amazing Universe 14 May 2009 19 Anatomy of a Hurricane 4 Haz 2009 20 Twister Outbreak 11 Haz 2009 21 Earth's Evil Twin 25 Haz 2009 22 Secret Life of Fireworks 2 Tem 2009 23 Tsunami From Outer Space 9 Tem 2009 24 How the West Was Made 16 Tem 2009 25 Living on the Moon 23 Tem 2009 26 Birth of The Oceans 20 Ağu 2009 27 Stephen Hawking's Universe 23 Ağu 2009 28 Death of the Universe