Ollie refuses to get a tetanus jab after falling on a nail. DK causes havoc with a ventriloquist's doll and Chloe demands Matt makes amends for blabbing about their sex life.

DK gets a job as a nude life model. Chloe and Matt decide to spice up their sex life. Ollie falls in love with the new French teacher, driving Jas mad with envy and into the arms of another man. The music played by the principal is "Congratulations" by Cliff Richard.

In a series of flashbacks, DK explains to the principal how he got his black eye. In the meantime, the friends pull together to stop Ollie discovering Jas's slip up with Horace.

Chloe is enraged after she and Matt are turned away from the cinema when they attempt to see Sex Fart 3. Ollie and Jas decide to find a new common interest that doesn't involve sex, and DK is suffering from dreams about the Principal.

DK makes friends with Doreen, a delinquent pensioner with a penchant for kissing strangers and blowing up ducks. Chloe handcuffs a warring Ollie and Jas and refuses to set them free until they make friends. Matt tries to learn all he can about Chloe in 24 hours.

Ollie has chest pains which he thinks are the result of his split with Jas. The principal is replaced by the monstrous Captain Gannet. Chloe and DK hatch a plan to restore order to Wooton College.

Ollie visits purgatory, where an angel disguised as DK offers him the chance to live, die or simply cease to exist at all. The rest of the gang huddle round his hospital bed waiting to see if he'll awake from his coma.