Sabrina, The Teenage Witch
Sabrina, The Teenage Witch
Now You See Her, Now You Don't (4x13)
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Determined to win Cutest Couple at the prom, Sabrina gets a dynamite dress that is a size tto small, becomes convinced she must lose a ton, and diets so much (with the "help" of an unscrupulous Other Realm salesman) that she disappears altogether.