Part of Kavner's contract says that she will never have to promote The Simpsons on video and she rarely performs Marge's voice in public because she believes it "destroys the illusion.
Kavners kontrakt siger, at hun aldrig skal være med til at markedsføre The Simpsons på video, og at hun sjældent optræder med Marges stemme i offentligheden, fordi hun mener, det "ødelægger illusionen.