| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S05E01 | Diamonds, Popcorn and Cancer |
August 15, 2011
BBC One
|
30 | |
| S05E02 | Rip Currents, Evolution and Making Gold |
August 22, 2011
BBC One
|
30 | |
| S05E03 | Rockets, Robots |
August 29, 2011
BBC One
|
30 | |
| S05E04 | Stem Cell Research, Memory |
September 5, 2011
BBC One
|
30 | |
| S05E05 | Bedbugs, Gravitational Lensing and Statistics |
September 12, 2011
BBC One
|
30 | |
| S05E06 | Tooth Decay and Refreezing food |
September 19, 2011
BBC One
|
30 | |
| S05E07 | Helium Shortage, Radiation and Airport Security |
September 26, 2011
BBC One
|
30 | |
| S05E08 |
Nuclear Power
season finale
|
October 3, 2011
BBC One
|
30 |
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No artwork of this type.
No artwork of this type.