Identical twin brothers and doctors Chris and Xand van Tulleken present the human body in detail, with real patients and situations.

Dr. Chris and Dr. Xand show how genes make you who you are, and Dr. Ronx joins the team. They share a new body trick - a hole in your hand.

What Makes You, YOU?

The doctors balance a van on four leg bones to show how super strong your skeleton is. They discover a new body trick with fingers.

Why do Bones Break?

The doctors go to the lab to find out what makes us squeamish. Then they tackle medical mysteries on the wards in Ouch & About.

Dr. Xand shows how your blood clots, and Dr. Ronx finds out how echolocation is helping people with sight problems.

The doctors do an experiment to see what makes poo brown and Dr. Xand discovers the incredible breathing skills needed to free dive.

The Doctors reveal the turbinates – the bones in your nose that help you breathe clearly – and find out how scientists are growing a brain.

The doctors do a thumb challenge and discover how drones are helping emergency rescue crews reach patients really quickly.

Dr. Xand invents a crazy game show in the lab to test Dr. Chris’s reflexes and they meet Beatboxer D-Low. Dr Ronx goes on emergency calls.

Dr. Chris and Dr. Xand study salt and sweat in the lab. Dr Ronx finds out how gene therapy is helping treat patients with immune disorders.

Dr. Chris and Dr. Xand make smoothies in the lab to show the incredible barrier that keeps your brain safe. Then they make a music video.

The doctors investigate the vestibular system – the part of the body that keeps you balanced. Then they meet a super-fast hockey star.

Dr. Chris and Dr. Xand reveal how your brain controls your body in today’s lab experiment. Dr Ronx demonstrates some pet first aid.

The doctors take a journey around the human body – looking at it from head to toe.

In this special episode, Dr Chris and Dr Xand reveal the winners of the first ever Ouch Awards, celebrating their bravery.

With help from some YouTubers, the doctors present this special episode packed with tips to sort out the problems that pop up in daily life.