How to survive a zombie apocalypse!
It's nearly time for the spookiest season of Halloween and your favourite doctors Chris and Xand are here to help you survive a zombie apocalypse!
Learn all about zombies with Operation Ouch!
Watch this fun clip to learn how to survive a zombie apocalypse. Find out Doctor Chris and Xand's best tips for survival from their top secret Operation Ouch! bunker.
What's your favourite fact in the video and what would you like to stockpile in your zombie bunker? (We would hide lots of chocolate and sweets to keep us happy and fed until help arrived.)
(Don't forget that zombies aren't real!)
Where to watch Operation Ouch!
Play Operation Ouch! games 🎮
You can find Operation Ouch! games, quizzes and activities, only on CBBC.
Pilot your way through six exciting bodily zones as you test out the gut buster in the It Takes Guts game.
Blast through the Snotulons before you get sneezed out and cure Dr Chris's cold in Invasion of the Snotulons.
Play Clonewards and help Dr Chris and Dr Xand treat the patients and rebuild a hospital.
Try Operation Ouch! quizzes 🏆
Discover the CBBC Science Hub
Obsessed with Operation Ouch!? Love all-things science? Check out more of our favourite experiments, discoveries and eureka moments with the best clips, quizzes and games on CBBC.
Want more Halloween 2026 fun?
Find frightfully fun games, spooky quizzes, DIY decorations, Halloween costumes and food on the CBBC website. All treats, no tricks!
Brew your own witch's potion with Blue Peter!
Creative Lab: Halloween Spooktacular!