Abominable Blood

22m

Lovely icky red blood – what is it and why do we need it? How does it transport important things around the body?

Wasted World

22m

Gruesome greenhouse gasses and deadly toxic waste. Why do we recycle and what would happen if we stopped? Is global warming really bad news?

Deadly Diseases

22m

From the cruel common cold to shocking smallpox we cough up the disgusting details of snot, sneezes and viruses.

Microscopic Monsters

21m

What nasty invaders live in our homes and on our bodies? Fleas, parasites, worms and every tiny, disgusting thing in between.

Bulging Brains

20m

What is the brain and how does it work? Mark arrives in the studio with a new pair of pants, 'Smarty Pants' which he claims will make him smarter.

Vicious Veg

22m

Flesh eating plants & dancing flowers are all packed into the show this week. Mark and Lucy both bring in their favourite plant but as always Mark thinks his is the best…

Chemical Chaos

22m

Explosions, atoms and fiendish forces that bubble, bang & bump! What makes things explode?

Space, Stars and Slimy Aliens

22m

What happens to our bodies in space? Can we live on other planets? Who invented the telescope and how can we make one at home?

Gruesome Guts

21m

Poo, pizza and disgusting germs! Why do we poo and how does digestion work? Who was Louis Pasteur and how did he help?