The Simpsons S08E13 - Simpsoncalifragilisticexpiala (Annoyed Grunt) cious
Summary:
When Marge suffers stress-related hair loss, the Simpsons hire nanny Shary Bobbins, who speaks in song and inspires others to do so. But the Simpsons may prove too much for her. Blackboard: 'I will not hide the teacher's prozac'.