Nathan takes advantage of Mrs Carter's weekend trip away to invite Miss Poppy round for a romantic evening. Unfortunately, Josh invites his class over for a party.

Nathan finally decides to ask Miss Poppy out, but it's on the day that Mr Bell is to select a head of year and Josh is determined that Nathan gets the post instead of Thorne.

Josh needs Dexter's help to finish off some new tracks, but doesn't want to look uncool by hanging out with a teacher. But Dexter has other ideas and plans to take this beautiful new musical partnership public.

After Elmsbury burns down after the wedding, Josh and Nero arrive at their new school. Nero decides it's time to have some fun, at Josh's expense. Dexter tries to impress his new colleagues with a first aid demonstration and nearly scares his new pupils to death.

Lizzie's lunchtime science club has disastrous consequences when Eli and Owen decide to join.