| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Japanese Earthquake and Tsunami |
March 14, 2011
BBC One
|
30 | |
| S04E02 | IVF, Playground Swing, and a Special Mirror |
March 21, 2011
BBC One
|
30 | |
| S04E03 | Supersonic, Sticky Stuff and an Optical Illusion |
March 28, 2011
BBC One
|
30 | |
| S04E04 | Calories, Risk and Antibiotics |
April 4, 2011
BBC One
|
30 | |
| S04E05 | Light, Lasers and Citizen Science |
April 11, 2011
BBC One
|
30 | |
| S04E06 | GM Crops, Dust Allergy and Shattering Glass |
April 18, 2011
BBC One
|
30 | |
| S04E07 | Singing Road, Dad Dancing, DNA Family Tree |
April 25, 2011
BBC One
|
30 | |
| S04E08 |
Recycling, GPS and Magic Tricks
season finale
|
May 2, 2011
BBC One
|
30 |
No artwork of this type.
No artwork of this type.
No artwork of this type.