Dr Chris and Dr Xand reveal the amazing type of muscles that help you see... and go for a poo! And they find out what it's like to be the hospital hairdresser when they're faced with cutting real people's hair in Operation Takeover. Dr Chris heads into the woods in search of one of the deadliest creatures on earth, and there are more medical questions to be answered in Ouch and About On Call. Meanwhile, in accident and emergency, one patient has a sore eye and another heads to surgery to repair a badly broken wrist.