She is also known for her role as Hilda Spellman from `` Sabrina , the Teenage Witch '' , and for replacing Rosie O'Donnell as the hostess of her syndicated talk show , renamed `` The Caroline Rhea Show '' .
Rhea also starred as Hilda Spellman for the situation comedy `` Sabrina , the Teenage Witch '' and replaced Rosie O'Donnell as the hostess for her syndicated talk show ( which was renamed the `` Caroline Rhea Show '' ) .