The third years are writing their last exam and Mildred is drawing a picture of Miss Hardbroom (an unflattering one) while she waits for the exam to end. It does, and they all sing, and dance and throw magical confetti. ""Last one, last one, last one!"" -- to the tune of ""three two, three two, three two!"" as sung by Baz and Gaz in the first season. Miss Drill thinks it's fun and they magic her some daisies. Miss Hardbroom shows up and tells them all off. Mildred and co. go back to DOBS where Fenella and Griselda are playing chess. They complain that it's not fair to keep them at school when all their exams are done. Fenny and Gris tell them that there's a fair in town, and they'll make sure no one notices if they skip off (only there's a British term for it that made me blink). They get dressed in normal clothes (they look so much better in normal person clothes) and go wandering off. HB and Drill argue about whether the display in the corridor (with the confetti and wot not) was