Episode 5

S4 E5: Dr Chris and Dr Xand show how incredible the human body is. The doctors test a new theory to see if they can find out why skin goes wrinkly in the bath, Dr Chris meets a patient taking part in groundbreaking heart research, and there is a test of the power of eyes. Meanwhile, there are more medical mysteries in Ouch & About, and over in accident and emergency one patient has a very sore head and another has dislocated her jaw.