The Operation Ouch doctors bone up on everything about your amazing skeleton.

In this special themed episode, the Operation Ouch! doctors explore the incredible human digestive system, from showing everything on the food journey from your mouth to your bum, to asking why poo is brown.

In this special themed episode, the Operation Ouch! doctors explore the incredible human ears, showing everything from what they look like inside, to how your eardrums send sound waves to your brain and why you need sticky ear wax.

In this special themed episode, the Operation Ouch! doctors explore the incredible human eye, showing everything from what yours are made of, to how they enable you to see and why you need tears.

In this special themed episode, the Operation Ouch! doctors explore your incredible teeth, showing everything from why they’re all different shapes to what happens if you knock a tooth out and why you definitely want to get rid of plaque.