Our favourite doctors are back for a brand-new season of Operation Ouch! Get ready for more medical marvels and impressive experiments that are hairier, scarier, and crazier than before. Why do we blink? How can scorpion venom help save lives? And why is Dr Chris dressed as a giant tongue?! Discover the answers to these questions and so much more on Operation Ouch! from December 11th on Da Vinci.