Alvin and the Chipmunks

Cinderella? Cinderella! (4x8)

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When Brittany refuses to do her chores, Miss Miller tells her that she must mop if she wishes to go to a dance that night. Brittany falls asleep and dreams she is Cinderella. She awakens to find a new party dress and Miss Miller mopping half the floor for her. Brittany realizes she is not living with the wicked stepmother after all.