Dennis & Gnasher Unleashed!

The Great Beanotown Bake-Off (1x19)

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Pieface's all time hero, Cherry Bakewell, is coming to Beanotown to judge the annual bake-off. Pieface wants to make the best pie ever and win the competition, but when Dennis discovers Pieface has never actually baked a pie before, he does everything he can to ensure a win, with pie-splattering results!