Keen on Keane
S5E1
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The Powerpuff Girls S05E11 · Substitute Creature
S5E1126th September 200312m5.3(3)
When Ms. Keane gets sick she hires a substitute teacher named Mr.Green to run the class in her absence. Unfortunately because of his monstrous appearance the girls assume he's a bad guy and try to save their classmates from him.