4 O'Clock Club - Series 5 - Episode 5 - Zombie
Nero lies about going to the cinema so he can go to a zombie apocalypse with his friends. Picking up the wrong envelope at school, Nero accidentally gives Clem a CD of love songs which are actually Dexter's for Lizzie and Dexter accidentally gives Lizzie a leaflet to a zombie apocalypse which is actually Nero's for Clem. Clem is confused at the songs when she listens to them, and she wants Owen to tell Nero she already has a boyfriend to stop him from asking her out. However, Owen believes she wants him to ask her out. At the zombie apocalypse, Nero slips and injures his ankle, leaving Clem to aid him. They get together as boyfriend and girlfriend, keeping it a secret from everyone. Eli sees Lizzie dressed as a zombie and believes she is one of the zombie's and throws her to the floor.