Grade levels: Primary (1-3)

The Doctors head into the lab with some special lights to show us that some things in our body shine or glow brightly due to fluorescence and how you can write secret messages using your wee. They then head to the park to show us how to warm your muscles up before playing a game of football and the proper First Aid for a whack on the eye.

Plus, Dr. Chris visits the Speech Therapy Clinic where a girl is learning how to speak after many surgeries to repair her cleft palate. Meanwhile, Dr. Xand investigates why head lice like our heads so much and how to get rid of them and then visits and entomologist to investigate some of the other things that like to live on and in our bodies.

In Accident & Emergency, one patient has a pencil stuck in her ear and another has a cut on her head.

We also meet identical quadruplet sisters and the Doctors show us how your body fights back against spoiled food.

The Doctors head into the lab where they use a sheep’s stomach to demonstrate just how much your stomach can expand when you eat a big meal and how the acid produced by your stomach’s parietal cells breaks down the food you eat. They then head into the living room to show us the proper First Aid for treating a carpet burn.

Plus, Dr. Xand visits the orthodontist’s office to see how braces are installed and how they work, then he observes a surgery to remove excess teeth. Meanwhile, Dr. Chris investigates how our cochlea work and how they can be damaged by loud noise or just naturally damaged as we age. He then takes a hearing test with a young boy to see who has better hearing.

In Accident & Emergency, a patient with polyostotic fibrous dysplasia has yet another broken bone and another has a hole in his head after a bicycle accident.

The Doctors also explain why we get blisters and how to prevent them.

The Doctors head into the lab where they use a bio-detection dog to show us how these specially-trained dogs can be used to detect serious illnesses just by sniffing people’s breath. They then head into the hallway to show us the proper First Aid for a finger that’s been jammed in a door.

Plus, Dr. Chris meets a woman who makes very realistic looking body parts and injuries and he asks her to make it look like he has a serious burn on his hand.

In Accident & Emergency, one patient has a cut and puffy cheek and another has a chickpea stuck in his ear.

We also meet a world-champion toe wrestler, learn a body trick that will make it seem like your arms are floating on their own, and the Doctors show us how your body deals with a cold.

The Doctors show us some of their favourite segments from past episodes of Operation Ouch!

The Doctors head into the lab to show us what happens when we sneeze… and it’s not what most people think! They then head to the park to show us the proper First Aid for a sprained ankle.

Plus, Dr. Xand enters a cryogenic chamber to find out how our bodies react to extreme cold.

In Accident & Emergency, one patient has severe belly pain because he’s constipated and another has a potentially serious neck injury.

We also meet a woman who can contort her body to fit into unbelievably small spaces, learn a body trick that will make it difficult for your friends to stand up, and the Doctors show us how your body heals a scratched eye.

The Doctors head into the lab where they use a set of pig intestines to illustrate just how gutsy you are and how the mesentery prevents all those intestines from getting tangled inside you. They also explain what your small intestine and large intestine do and how much energy is contained in your farts.

In “Ouch & About,” the Doctors go mobile in the Ouch Mobile. Dr. Xand meets with one patient who has eczema and another patient who has a birthmark on his face that’s shaped like Britain, while Dr. Chris explains why you get a brain freeze when you eat ice cream too quickly and how you sprain your muscles.

Plus, Dr. Chris visits a Nurse Training Room to investigate how student nurses train with dummies to learn how to treat illnesses, we learn the proper First Aid for treating a jammed finger, and Dr. Xand goes on call with emergency services.

In Accident & Emergency, one patient has a nasty cut on her nose after a fall and another has burned his hand.

The Doctors head into the lab where they use a pig heart to show us how much blood your heart pumps and how hard it pumps the blood.

In “Ouch & About,” the Doctors go mobile in the Ouch Mobile. Dr. Xand meets with one patient who has a bunch of verrucas on his feet and another patient who can fold his earlobe and stick it into his ear canal, while Dr. Chris explains why your heart beats faster when you’re frightened and what happens when you get a bruise.

Plus, Dr. Xand visits a girl and her specially-trained dog to investigate how the service dog’s sniffing helps the girl control her Type 1 Diabetes, we learn the proper First Aid for treating a broken arm, and Dr. Chris goes on call with emergency services.

In Accident & Emergency, one patient has a “hamster cheek” because of a dental abscess and another sliced her finger open.

The Doctors head into the lab to experiment with their urine.

Also, Dr. Chris visits the Dermatology Clinic where he learns why you shouldn’t pop a pimple, how eczema is treated, and more about the body’s largest organ, the skin. Plus, Dr. Chris investigates how venom is extracted from venomous snakes and is used to make antivenom to treat snake bites.

In Accident & Emergency, one patient got a hole in his forehead after crashing his new bicycle while not wearing a helmet and another has a periorbital haematoma (a black eye) after bumping his head on a windowsill.

We also meet a contortionist who can bend her body to fit in unbelievably small spaces, learn a body trick with which you can trick your friends’ tastebuds, and Dr. Xand goes on call with an emergency ambulance team.

The Doctors whip up a blood smoothie in their lab to show how blood transports oxygen from your lungs to the rest of your body.

Also, Dr. Chris observes a surgery to correct a boy’s eyes which squint and cross, while Dr. Xand is given exclusive access to a collection of preserved body parts in a top-secret location to show us a few ways in which the human body can go wrong.

In Accident & Emergency, one patient has some nasty facial injuries and another has an infected finger.

We also meet the tallest man in the UK, learn a body trick that appears to magically shorten a person’s arm, and Dr. Chris goes on call with an emergency ambulance team.

The Doctors head into the lab where Dr. Chris swallows a camera so we can follow some food through his digestive system, via live images of his stomach and instestines.

Also, Dr. Chris gets hands-on in a popup operating theatre to simulate an abdominal surgery, while Dr. Xand saws through a real leg bone to investigate what’s inside and then shows us how doctors are “growing” artificial bones.

In Accident & Emergency, one patient has a swollen elbow from a fall and another has an irritated eye.

We also meet a man can blow up a hot water bottle until it bursts and we learn a body trick that will make you appear to have superhuman strength.

Dr. Xand eats a healthy diet for a couple of days, while Dr. Chris eats a very unhealthy diet on those same days. The Doctors then head into the lab (after a trip to the loo) to see how the food they ate affected their poo.

Also, Dr. Xand donates some of his blood and follows his blood’s journey from the clinic where it’s donated to the blood factory where it’s tested and then separated into red blood cells, plasma, and platelettes before being sent off to the hospitals where it will hopefull save someone’s life. Dr. Chris also donates some blood – via a Tsetse fly bite – as he investigates how these flies make many people deathly ill by spreading the parasite that causes sleeping sickness.

In Accident & Emergency, one patient has a deep cut in her hand after cutting it on some glass and another has a deep cut over his eye after bumping his head on a stump.

We also meet the UK’s National Junior BMX Champion and learn how his muscles help him ride his bicycle so well,  learn a body trick that will make you appear to have superhuman strength, and Dr. Chris goes on call with the Midlands Air Ambulance.