Sezon 31
Bölümler
1 Infinite Secrets 30 Eyl 2003 
2 Who Killed the Red Baron? 7 Eki 2003 
3 The Elegant Universe: Einstein's Dream (1) 28 Eki 2003 
4 The Elegant Universe: String's the Thing (2) 28 Eki 2003 
5 The Elegant Universe: Welcome to the 11th Dimension (3) 4 Kas 2003 
6 Wright Brothers' Flying Machine 11 Kas 2003 
7 Magnetic Storm 18 Kas 2003 
8 Volcano Above the Clouds 25 Kas 2003 
9 MARS Dead or Alive 4 Oca 2004 
10 Secrets of the Crocodile Caves 20 Oca 2004 
11 Dogs and More Dogs 3 Şub 2004 
12 Descent Into the Ice 10 Şub 2004 
13 Crash of Flight 111 17 Şub 2004 
14 Life and Death in the War Zone 2 Mar 2004 
15 Hunt for the Supertwister 30 Mar 2004 
16 World in the Balance: The People Paradox (1) 20 Nis 2004 
17 World in the Balance: China Revs Up (2) 20 Nis 2004 
18 Battle Plan Under Fire 4 May 2004