Anna Richardson and sexual health expert Dr Radha Modgil are at the Bourne Grammar School, near Peterborough, to give the students more ground-breaking lessons in sex education. In live anatomy lessons featuring nude models, the students learn how the body and sex changes before, during and after pregnancy. They also have lessons in changing nappies and feeding infants. Meanwhile, the show explores the reality of having an abortion. Anna visits a disco for people with learning disabilities. She meets Ben, a young man with Down's syndrome, and his mum Charlotte, and learns how even attempting to lose your virginity is fraught with difficulties. She also meets married couple Tonda and Martin. Tonda has Down's syndrome, and Martin was brain damaged at birth. But against all the odds the couple have managed to maintain a happy relationship and sex life for over fifteen years.

Anna Richardson and sexual health expert Dr Radha Modgil are at Raines School in East London to give students ground-breaking lessons in sex education. In live anatomy lessons featuring elderly male and female models, the students learn how both the body and sex changes as we age. The students also learn the truth about vaginal health and are encouraged to overcome the ultimate in embarrassment, talking about sex with your parents. Anna also meets two plus-size women who claim to enjoy loads of great sex. They talk us through their favourite positions and tell us why being big is a help, not a hindrance, when it comes having a healthy sex life. Plus the show meets Ed Evans whose obesity resulted at one point in 'buried penis syndrome', with him unable to have penetrative sex.

The Sex Education roadshow continues across the UK as Anna Richardson and sexual health expert Dr Radha Modgil give students more ground-breaking lessons in sex, relationships and the human body. This time the students from Glenthorne School, Surrey get live interactive lessons in female anatomy. With the help of five nude models they find out everything they need to know about the female body. The students get abreast of boobs, and the lowdown on labia: discovering that when it comes to women's bodies, no two are the same. Also Anna meets people with different physical disabilities who tell her how they manage to have great sex.

Britain is top of the league when it comes to sex; but for all the wrong reasons. Latest statistics show a record 41,000 teenage pregnancies in one year, as well as over half of all sexually transmitted infections being in the 16 to 24 age group. To make matters worse in April this year part of a government bill that would have made crucial sex education compulsory in schools was dropped. Teens still not only need, but want better sex education. Anna Richardson returns, assisted by experts across the board determined to give teenagers across the UK some much needed, upfront sex education lessons.