Operation Ouch! - Series 4: Episode 1 - Signed

Name: Operation Ouch! - Series 4: Episode 1 - Signed
Description: Dr Chris and Dr Xand reveal the surprising secret behind the speed of your nerves, and Dr Xand finds out what happens if you don't wash your hands.

Dr Chris and Dr Xand reveal the surprising secret behind the speed of your nerves, and Dr Xand finds out what happens if you don't wash your hands.