5x4 - Embarrassing Bodies

This week Christian attempts to help a patient with a vasectomy. Dawn talks to a woman whose bowel condition has left her with really bad stomach scars. The seaside tour stops at Skegness, where the team attempt to help a man with a wriggly bottom and another man with a worrying lump on his testicles. Christian asks a team of BMX bikers to produce some sperm samples.