Sezon 4
Bölümler
1 Japanese Earthquake and Tsunami 14 Mar 2011 
2 IVF, Playground Swing, and a Special Mirror 21 Mar 2011 
3 Supersonic, Sticky Stuff and an Optical Illusion 28 Mar 2011 
4 Calories, Risk and Antibiotics 4 Nis 2011 
5 Light, Lasers and Citizen Science 11 Nis 2011 
6 GM Crops, Dust Allergy and Shattering Glass 18 Nis 2011 
7 Singing Road, Dad Dancing, DNA Family Tree 25 Nis 2011 
8 Recycling, GPS and Magic Tricks 2 May 2011