The Close has a problem with knickers being snatched from washing lines and windows being peeped into, so Alan eagerly decides to play detective, even if it clashes with his 12th birthday.

A sex education lesson strikes fear into Alan's heart while an impending testosterone-fuelled school disco gets him all hot and bothered - and not in a good way.

With the stress of the Cobblers trying to stay top of the league taking its toll, Christine strong-arms Graham into having a caravan mini-break in Great Yarmouth.