! WARNING: The videos on this site feature people talking very frankly and occasionally explicitly about their personal experiences of sex

Watch on 4oD

Male Anatomy

Male Penis Assembly

With the help of five male models, Anna and Dr Radha Modgil help the pupils find out everything they need to know about the male body and discover that no two are the same - from penises to pubes and balls to bums.

Play this video
Male Penis Assembly Image

Penis Hygiene

An unclean penis isn't just a massive turn off - an accumulation of smegma can lead to conditions like Balantis and the more serious Paraphimosis. Long Ashton F.C. are shown the best way to wash their bits.

Play this video
Penis Hygiene Image

Have you or your partner ever experienced premature ejaculation?

Have you ever been concerned about your own or your partner's penis size?

Footballers Lesson in Preventing Erectile Dysfunction

Over 2 million British men suffer from erectile dysfunction - an inability to get or maintain an erection. Anna and Dr Radha Modgil show how some simple pelvic floor exercises can prevent and even cure erectile dysfunction.

Play this video
Footballers Lesson in Preventing Erectile Dysfunction Image

Penis Gallery

WARNING: Here we demonstrate, through a gallery of photos, the wide variations in the penises of normal healthy men. Differences in size and shape should not be a cause of alarm or concern. Parental guidance is recommended.

See gallery
Penis Gallery Image

Erection Gallery

A group of students get a lesson in erections with our very own erection gallery. They learn why they happen, how they happen and how they vary in shape and size.

Play this video
Erection Gallery Image
How Sexperienced Are You?

Channel 4 © 2013. We have updated our terms and conditions and privacy policy. Please ensure you read both documents before using our Digital Products and Services.