Sezon 32
Bölümler
1 Origins: Earth is Born 28 Eyl 2004 
2 Origins: How Life Began 28 Eyl 2004 
3 Origins: Where Are the Aliens? 29 Eyl 2004 
4 Origins: Back to the Beginning 29 Eyl 2004 
5 The Most Dangerous Woman in America 12 Eki 2004 
6 America's Stone Age Explorers 9 Kas 2004 
7 Great Escape 16 Kas 2004 
8 Ancient Refuge in the Holy Land 23 Kas 2004 
9 Welcome to Mars 4 Oca 2005 
10 The Boldest Hoax 11 Oca 2005 
11 Supersonic Dream 18 Oca 2005 
12 The Viking Deception 8 Şub 2005 
13 Saving the National Treasures 15 Şub 2005 
14 A Daring Flight 22 Şub 2005 
15 Wave That Shook the World 29 Mar 2005 16 Hitler's Sunken Secret 8 Kas 2005 17 Newton's Dark Secrets 15 Kas 2005 18 Storm That Drowned a City 14 Ara 2005