Episode #2.5

Sarah welcomes disabled Dean, a boy who was removed from his last school for bullying, only to discover that he was the actual bully. A presentation is held to mark Mr Hubble's forty year service to the school, after which Keith discovers he has died and leads several unsuccessful attempts to hide the body. At the funeral Sarah exposes Dean's bullying and gets thrown out when he plays the victim. With Mr Hubble gone Keith is now the head of chemistry but Baron tells him that, due to financial cuts, she is scrapping department heads.