In the final episode of this series, the doctors were on a mission to tackle a national crisis. With British teenagers having the worst sexual health in Western Europe, STIs are an increasing problem. The doctors hit the streets of Manchester during freshers week to find out what a first taste of freedom is doing to a generation of young adults. The doctors also brought back a number of patients to catch up on how their treatments were progressing, whilst Dr Christian reported back on the amazing response to our Am I Normal?