Operation Ouch!

It's superhero time as the Doctors' alter-egos go into battle to show the secret powers of your skin, which uses Vitamin D from the sun to make your bones strong!

Dr Xand is shocked when Dr Chris suggests making pizza in the lab! But little does he know, he's about to have his arms set in plaster as the Doctors reveal how your elbows work.

Dr Xand has broken the rules and snuck a marble run into the lab but will Dr Chris notice in today's blood pressure experiment?!

There's a pong or two in the lab as the Doctors discover how your sense of smell can bring back happy memories.

The Doctors are Ouch & About ready for your medical questions, and Dr Xand turns fire juggler to reveal your secret sense - proprioception. But will Chris notice that something's up?

Dr Chris finds himself in an uncomfortable spot as he goes head-to-head with Dr Xand in a man v monkey contest to show you the power of your pelvis!

There's a snot-tastic dose of Ouchology when the doctors face tough medical questions, and a VIP guest is due in the lab but with a long list of requests, will the Doctors be ready for their arrival?

Dr Chris and Dr Xand look at the cool bit of body kit that sucks your tears away when you cry! The Ouchologists quiz the Doctors in today's dose of Ouchology, but who will get snotted?

Herman the mantis shrimp is in the lab to help the doctors explain how your incredible body not only makes crystals in your bones and teeth, but also stops them from doing damage in your kidneys.

The Operation Ouch! 3D cinema is open! But how do you see the world in three dimensions? Find out as the Doctors reveal the incredible eye muscles that control how you focus on things close-up and far away.

A world champion whistler pops in to help the doctors whistle - and even Billy Bones joins in!

Dr Xand gets in a spin to show you why you get dizzy, the Flying Doctors help a new baby in Australia and Dr Raph takes an icy dip when he meets a Brilliant Body who swims in the Antarctic.

Find out how fast your nerves work in a snotty experiment that sees Dr Xand blow a fuse, and the Cupboard of Everything is time travelling to a very smelly Victorian street!

Things get explosive when Dr Chris and Dr Xand look at how spots are made, plus an incredible emergency service at work in Australia: the Flying Doctors.