Mrs Creecher confiscates Dennis' rare sour sweetie, the Tongue Destroyer! Dennis is desperate to get the sweet back and takes his friends on an adventure to the school's Confiscatorium, a secret place where all confiscated goods are hidden, in the depths of Bash Street School.
Series 1: 38. Bertie's Backbone
Dennis and the gang train Bertie in the art of standing up to people so he can rebel against Walter's bossiness - but they train him too well and he becomes a dangerous reb ...