From Magaluf, discovering how teens are putting their health in jeopardy with a mix of sun, sex and booze; young mom Maria's weight is dangerously out of control; Adele is living in body-hair hell; Indre has a lack of bladder control.

The doctors help Carly, who's devastated by her excess skin; four teenage brothers still wet the bed; Charlotte's excessive sweating is ruining her future; Claudia's being bullied because of her extreme eczema.

The doctors meet Thomas, whose problem testicles mean he has to face possible infertility; Jonathan's life is out of control after being diagnosed with diabetes; Nathan's chronic acne has him hiding from girls.

The season's final show highlights Britain's teenage sexual health; Rhiona's toilet phobia has swollen her bladder to twice its normal size; new mom Onitha is told she'll never have sex again; Nicky's post-coital pain is threatening her relationship.

The truck parks at Sheffield Hallam University for Freshers' Fair as the doctors unzip some downstairs dilemmas; Jameel has strange lumps on his scrotum; Kate is embarrassed by her vaginal discharge; Alana struggles with painful periods.

51 of five million teenagers are girl while 49 million are boys; helping sexes deal with changes happening to their bodies.