Sezon 4
Bölümler
1 How Your Nerves Work 18 Oca 2016 
2 Can I Borrow Some Of Your Blood 25 Oca 2016 
3 Who Stole The Milk 1 Şub 2016 
4 What's in your Diarrhoea? 8 Şub 2016 
5 The Big Skin Mystery 15 Şub 2016 
6 Superhero Kidneys 22 Şub 2016 
7 Fire in the Lab! 29 Şub 2016 
8 Before You Were Born 7 Mar 2016 
9 Best Of... 14 Mar 2016 
10 Don't Panic About Puberty (Special) 21 Mar 2016