Sezon 39
Bölümler
1 Engineering Ground Zero 7 Eyl 2011 
2 Surviving the Tsunami 28 Eyl 2011 
3 Finding Life Beyond Earth: Are We Alone? 19 Eki 2011 
4 Iceman Murder Mystery 26 Eki 2011 
5 The Fabric of the Cosmos: What is Space? 2 Kas 2011 
6 The Fabric of the Cosmos: The Illusion of Time 9 Kas 2011 
7 The Fabric of the Cosmos: Quantum Leap 16 Kas 2011 
8 The Fabric of the Cosmos: Universe or Multiverse? 23 Kas 2011 
9 Deadliest Volcanoes 4 Oca 2012 
10 Bombing Hitler's Dams 11 Oca 2012 
11 3D Spies of WWII 18 Oca 2012 
12 Mystery of a Masterpiece 25 Oca 2012 
13 Ice Age Death Trap 1 Şub 2012 
14 Separating Twins 8 Şub 2012 
15 Cracking Your Genetic Code 28 Mar 2012 
16 Hunting the Elements 4 Nis 2012 
17 Deadliest Tornadoes 11 Nis 2012 
18 Why Ships Sink 18 Nis 2012 
19 Secrets of the Sun 25 Nis 2012