The doctors make an unusual type of cheese with Xand's body bacteria, find out what to do if someone breaks their leg in First Aid, and Dr Chris meets a man with a bionic eye. Meanwhile, in accident and emergency, one patient has been injured doing handstands and another has a badly broken arm.

The doctors get competitive in a race to reveal what happens when blood vessels get blocked, Dr Xand goes for some physiotherapy and Dr Chris is out with the emergency services helping a man with chest pain. Meanwhile, in accident and emergency, one patient has hurt his neck playing rugby and another has cut his head being a superhero.