Overview: The doctors bring their portable pods to the Love Luton festival, where some mysterious cases crop up. There's a young woman with monster bruises that appeared from nowhere and another with unexplained skin patches. Back at the clinic, Dr Dawn treats a lady with a fishy smell, Dr Christian meets a man whose skin-cancer scar has left him looking like a thug, and Dr Pixie helps a chap with a blockage in his waterworks. Dr Christian asks what a transistor radio, a light bulb, a tropical spider, a 12-inch salami and a complete tool set all have in common, as he warns of the dangers of inserting foreign objects into intimate places. Dr Dawn hits 'shag week' at Newcastle Uni. Dentistry with Doctor James, who's tackling more tarnished teeth. And the cameras go behind the scenes of Birmingham's Queen Elizabeth hospital.