Sue Perkins hosts as the country's brightest spellers aged between nine and 13 compete in a series of word-related games and challenges, displaying a combination of speed, skill and brains to deconstruct words many have never even heard of, let alone spelled, before. Comedian Joe Lycett reports from backstage, where the youngster and their parents are making last-minute preparations, while newsreader Moira Stuart officiates as the show's pronouncer.