Sezon 38
Bölümler
1 Building the Great Cathedrals 19 Eki 2010 
2 Emergency Mine Rescue 26 Eki 2010 
3 Trapped in an Elevator 2 Kas 2010 
4 Dogs Decoded 9 Kas 2010 
5 Secrets of Stonehenge 16 Kas 2010 
6 Quest for Solomon's Mines 23 Kas 2010 
7 Secrets Beneath the Ice 28 Ara 2010 
8 Deadliest Earthquakes 11 Oca 2011 
9 Making Stuff: Stronger 19 Oca 2011 
10 Making Stuff: Smaller 26 Oca 2011 
11 Making Stuff: Cleaner 2 Şub 2011 
12 Making Stuff: Smarter 9 Şub 2011 
13 Smartest Machine on Earth 9 Şub 2011 
14 Crash of Flight 447 16 Şub 2011 
15 Venom: Nature's Killer 23 Şub 2011 
16 Japan's Killer Quake 30 Mar 2011 
17 Power Surge 20 Nis 2011 
18 How Smart Are Animals? 9 Şub 2011