"So Long,Klott" is the Twelfth episode of Season Four, and the 90th episode overall of School for Vampires. The episode aired in 2010 in Europe,
KiKA summary: The count considers Klott's school performance to be insufficient and decides to transfer Klott to a primary school should an exam confirm his suspicions. Even Though the vampire students go to great lengths to prepare Klott for the exam, he fails miserably. Dr.Ironfang escorts Klott to his new school,. But on the way there they get caught in one of Polidori’s traps.