| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | How Your Nerves Work |
January 18, 2016
CBBC
|
30 | |
| S04E02 | Can I Borrow Some of Your Blood? |
January 25, 2016
CBBC
|
30 | |
| S04E03 | Who Stole The Milk? |
February 1, 2016
CBBC
|
30 | |
| S04E04 | What's in your Diarrhoea? |
February 8, 2016
CBBC
|
30 | |
| S04E05 | The Big Skin Mystery |
February 15, 2016
CBBC
|
30 | |
| S04E06 | Superhero Kidneys |
February 22, 2016
CBBC
|
30 | |
| S04E07 | Fire in the Lab! |
February 29, 2016
CBBC
|
30 | |
| S04E08 | Before You Were Born |
March 7, 2016
CBBC
|
30 | |
| S04E09 |
Best Of...
season finale
|
March 14, 2016
CBBC
|
30 |
No artwork of this type.
No artwork of this type.
No artwork of this type.