Hospital Challenges! 🏆 | Dr. Chris VS Dr. Xand | Operation Ouch
Dr. Chris and Dr. Xand Jump in the Sea! | #Summer Science | Operation Ouch
Fingers and Feet! 🖐 | Biology for Kids | Operation Ouch
Dr Xand goes diving!🤿 | Operation Ouch! | CBBC
Can these identical twin doctors beat pain without pills? - BBC
Dr Chris and Dr Xand's Body Battle on Operation Ouch! On CBBC
Cycling Safety with Doctor Chris and Doctor Xand | Operation Ouch | Nugget
Time for a CT Scan | #Clip | TV Show for Kids | Operation Ouch
Xand and Chris explain the superpowers of skin | Operation Ouch | CBBC
Why is Xand Dressed as a Bird? | Operation Ouch! | CBBC
5 Minutes with Dr Chris and Dr Xand from Operation Ouch! | Stacked!
Can you drink your own wee? Dr Chris and Dr Xand find out!
Coughing competition on Operation Ouch! - CBBC
#Festive Food-Related Science Experiments 2022 ✨🎂🍰 🥦🍩🍔✨| 30+ Mins Compilation | @OperationOuch
Operation OUCH Dr Chris & Xand Van Tulleken interview 2025
Chris van Tulleken on lunchboxes
All About Body Bacteria! | Science For Kids | @OperationOuch
This Is My... With Dr. Xand van Tulleken, Maya Jama and Lee Mack | Would I Lie To You?
Twins & Quadruplets | Biology for Kids | Science for kids | Experiments for kids | Operation Ouch