A severe female Inspector arrives to the school - with the classrooms in a mess from the Christmas Party the day before. Clare's plan of action - involving dinner ladies and fake pupils - fails and Ewan must seduce the Inspector to save the day. Bob prepares for the marriage ceremony - taking place in the playground, and featuring an igloo a sleigh, and Ben as the best men, with a reluctant Ping as a bride. (thetvdb.com)