In this episode, the doctors look at vomit and show you how to make a sick vomit factory!

In this episode, the doctors examine reactions and show how you can use your senses to test your reaction times!

In this episode, the doctors examine the heart and show you how to make your own pumping heart model.

In this episode, the doctors look at what causes spots and show you how to make gunky edible spot cakes to squeeze and eat!

In this episode, the doctors break down blood and demonstrate how to make an amazing blood lava lamp!

In this episode, the doctors unravel DNA and show you how to extract it from your saliva!

In this episode, they check out why we need iron and show you how to search for it in your cereal!

In this episode, the doctors look at body fat and show how it can keep you warm.

In this episode, the doctors look at the bladder and show you an experiment to make your own wee machine!

In this episode, the doctors follow the movement of water in your cells and show you an experiment to make an egg fountain.