Operation Ouch!

Identical twins Dr Chris and Dr Xand van Tulleken experiment and explore their way through the fascinating world of medicine and biology. Chris and Xa...

Identical twins Dr Chris and Dr Xand van Tulleken experiment and explore their way through the fascinating world of medicine and biology. The doctors...

The doctors demonstrate how our body movements are controlled by confusing their own brains. Dr Chris lets a blood-sucking leech feed on his arm and D...

The doctors see how much pain they can take in their laboratory, Dr Xand investigates how our shoes can dramatically change the way we walk and Dr Chr...

Dr Chris inserts a special medical tube into Dr Xand's nose and down to his belly to prove that the nose, mouth and stomach are all connected. Dr Xand...

Dr Chris takes a terrifying, stomach-turning ride in an aerobatic display plane to explain what happens to your body when you feel travel sick. The do...

Dr Chris demonstrates how vocal chords work and explores how the human body deals with fear. Dr Xand goes on call with an emergency ambulance team. In...

The Doctors experiment with urine. Dr Chris explores the damage snake venom can do to the human body. In Accident and Emergency, one patient has a hol...

he doctors investigate what happens when blood is full of oxygen by whisking up a blood smoothie! Dr Xand visits a special medical collection of body...

Dr Chris swallows a supercool camera pill to follow the journey that food makes through his body. Dr Xand explains how strong our bones are and meets...

Doctors take on their smelliest investigation yet when they find out how the shape, size and pong of your poo can tell you a lot about your health! Dr...

The doctors investigate how skin protects the body from extreme temperatures by dipping their hands in a liquid so dangerous it can freeze on contact....