Season 4 · Episode 6

Superhero Kidneys

29 min

The doctors look at your kidneys and reveal how these amazing cleaning machines work. The ouch-mobile is open for more intriguing medical mysteries, and Dr Xand tries out some vision-shifting spectacles for this episode's mind-benders. Meanwhile, in accident and emergency, one patient has an unusual break in his leg and another has a stone stuck in his ear.