This week the portable clinic pitches up in Caerphilly, Wales, and Dr Dawn helps a lady who's hiding a secret pain inside her national dress and a man who's been walking through his problems for 20 years. The clinic is open for business meeting brave people sharing their problems, and nothing's left uncovered. Dr Pixie's hit a bump tackling some testicle trouble, Dr Christian meets a woman whose baby bottom burns are still bothering her as an adult, and a lady for whom weight loss has left her nipples near her nether regions; and Dr Dawn has a mystery case of festering feet the likes of which the show has never seen. Dr Christian takes the 'Brain Sex' Challenge to discover if our genital sex really does match up to the way we think. And in the 'Living With' series, the programme features a truly amazing 14-year-old girl with a rare condition called Progeria, which means she's living in the body of a pensioner.