The doctors look at the awesome work that goes on inside the liver, and Dr Chris extracts snot from members of the public for a very useful experiment.
Clips from Operation Ouch! Dr Chris and Dr Xand explain what happens when you break bones and how your bones are actually a blood-making factory.
Clips from Operation Ouch! Dr Xand explains the importance of using soap when you wash your hands.
Dr Xand meets ice-skating stars to find out about dizziness.
Dr Chris and Dr Xand show us the effect of different diets on their poo.
We find out where cartilage is in your body and we meet an England rugby player who shows us his cauliflower ears.
Clips from Operation Ouch! Dr Chris and Dr Xand show you how your ears work and what exactly your cochlea is.
Clips from Operation Ouch! Dr Chris and Dr Xand explain how wee is made and where it comes from.
Clips from Operation Ouch! Dr Chris and Dr Xand create a poo factory to show you all about diarrhoea.
Clips from Operation Ouch! Dr Xand investigates who stole his strawberry milk and finds out more about DNA.
In the last episode of the series, the doctors have picked out some of their favourite moments - get ready to see just how strong your tendons really are and discover who the be ...
Dr Chris makes Dr Xand cry to demonstrate how your amazing body makes different types of tears to protect your eyes in different ways, and in Operation Takeover they discover ju ...
Clips from Operation Ouch! Dr Xand gives blood and follows it through the factory and out to a patient in need.
Dr Chris and Dr Xand reveal how your skull protects your brain, and they're thrown in at the deep end when they find themselves running the reception desk of a busy GP surg ...
Clips from Operation Ouch! All about bellybuttons, from how the umbilical cord works when you're a baby, to why some people have outy belly buttons.
Dr Chris and Dr Xand reveal the amazing type of muscles that help you see... and go for a poo! And they find out what it's like to be the hospital hairdresser when they ...
Dr Chris and Dr Xand reveal how your bones grow to make you taller, while in Operation Takeover they take on the role of midwives for the day. Plus Dr Chris investigates how sci ...
Clips from Operation Ouch! We take a closer look at your tongue and how your taste buds work.
Dr Chris and Dr Xand find out why blood rushes to your head when you are upside down, but does not rush to your feet when you are standing up! Plus they head to the hospital lau ...
Clips from Operation Ouch! Dr Chris and Dr Xand investigate the body's mucus, snot and spit, and the important roles they play.
Clips from Operation Ouch! Muscle and tendons work together to make our bodies move - we show you how.
Dr Chris and Dr Xand reveal how your brain enables you to learn new things with the help of three human 'samples' from the Cupboard-of-Everything, a giant pile of sand ...
Clips from Operation Ouch! Dr Chris and Dr Xand take a closer look at your eyes and how peripheral vision works.
Clips from Operation Ouch! Dr Chris and Dr Xand follow the journey of your food until it comes out the other end!
Clips from Operation Ouch! Investigating how leeches and maggots are used as a medical treatment.
Clips from Operation Ouch! Three dogs show us how they can help in medical situations, from diabetes to diagnosing serious illness and during pet therapy.
Clips from Operation Ouch! Coughing and sneezing are the body's ways of getting rid of unwanted stuff, but they can spread germs really far too!
Clips from Operation Ouch! Discovering why we have microbes and parasites all over our bodies and how they help us.
Clips from Operation Ouch! We put our bodies to the test to find out how they react in extreme temperatures. It's hot v cold!
Clips from Operation Ouch! We find out what a real human brain looks like and how it controls every action within your body.
Join the doctors for a journey around the human body as they look at their favourite bits from your head to your toes. First stop is the head and mega-gross alerts are in store ...
Dr Chris and Dr Xand look at what medicine was like in the First World War and meet a paralympian runner who swaps her awesome blade for a WW1 leather leg.
Dr Chris and Dr Xand reveal how your brain controls your body in a lab experiment, and Dr Ronx finds out how learning pet first aid can help save your furry friends. More medica ...
Clips from Operation Ouch! Discovering how your nerves work.
Dr Chris and Dr Xand investigate why our bodies need oxygen.
The doctors reveal the incredible bit of body kit that keeps you balanced – your vestibular system, and find out what makes Team GB hockey star Shona McCallin so fast in B ...
Dr Chris and Dr Xand demonstrate an awesome body trick and reveal another way the human body heals itself after an injury.
Dr Chris and Dr Xand take a look at how your heart works, and just how powerful it is.
We meet a young boy going through surgery to help cure his epilepsy.
Clips from Operation Ouch! Discovering how vocal chords, diaphragm and lungs work to allow you to sing.
Dr Chris and Dr Xand are in the lab to show the incredible barrier that keeps your brain safe, and they’ve made a music video to get you moving! Meanwhile Dr Ronx is on ca ...
The doctors show that your breath is just as unique as your fingerprints and Dr Chris goes behind the scenes of medical drama Casualty.
We take a closer look at Dr Chris's vomit to find out what is in it!
In this special episode, Dr Chris and Dr Xand reveal the winners of the first ever Ouch Awards. Celebrating children across the UK who have shown incredible courage and bravery ...
Dr Chris and Dr Xand take a closer look in your ears, and why we have ear wax.
Dr Chris and Dr Xand reveal how salt is the magic ingredient that enables you to sweat in a lab experiment, and Dr Ronx finds out how gene therapy is helping treat patients with ...
Series about the world of medicine and biology. Dr Chris explains what happens to your body when you feel travel sick, and Xand finally finds out if he really does snore.
The doctors use real stomach acid to do a gross experiment to reveal how the digestion process starts.
Dr Chris and Dr Xand investigate what is in your farts and burps, and why we do them.
Dr Xand invents a crazy game show to put Dr Chris’s reactions and reflexes to the test in the lab, and Dr Ronx heads out on call with the emergency services. Beatboxer D-L ...
Series about the world of medicine and biology. Dr Chris inserts a tube into Dr Xand's nose and down to his belly to prove that the nose, mouth and stomach are all connected.
Find out how amazing your hands are in today’s lab when the doctors go head to head in a thumb challenge, and discover how drones are helping emergency rescue crews reach ...
The doctors reveal the turbinates. Three incredible bones in your nose that warm up your snot so you can breathe clearly, and find out how scientists are growing a brain in Inve ...
What makes your poo brown? Find out in a new lab experiment, and meet another brilliant body when Dr Xand discovers the incredible breathing skills needed to free dive. Plus cat ...
Dr Chris and Dr Xand experiment and explore their way through the fascinating world of medicine and biology. The doctors see how much pain they can take in their laboratory.
Dr Xand goes underwater to show how your blood clots, and Dr Ronx finds out how echolocation – an amazing navigation technique used by bats to fly in the dark – is h ...
Are you squeamish? Find out why in today’s lab experiment, and get ready to get moving in Investigation Ouch! The doctors tackle medical mysteries on the wards in Ouch & A ...
The doctors balance a whole room’s worth of furniture on four leg bones to show you how super strong your skeleton is, and meet our first brilliant body – calistheni ...
There’s a big bang in the lab as the doctors show how genes make you who you are, and a new doctor joins the team! Find out more about her as Dr Ronx takes us behind the s ...
Dr Chris and Dr Xand experiment and explore their way through the fascinating world of medicine and biology. The doctors demonstrate how our body movements are controlled.
The doctors prove that we all have invisible ink inside our bodies and Dr Xand sees head lice removed from someone's hair with a vacuum cleaner.
Dr Chris and Dr Xand experiment and explore their way through the fascinating world of medicine and biology. The doctors show what really happens when you sneeze.
Dr Chris and Dr Xand experiment and explore their way through the fascinating world of medicine and biology. The doctors experiment on their muscles to show how they work.
Series about the world of medicine and biology. Dr Chris inserts a tiny medical camera up his nose and down his throat to look at how our vocal cords work.