When Carter Pewterschmidt cancels the annual Quahog Christmas carnival, because he hates the holiday, Peter must transform his father-in-law from a Scrooge into a hometown hero in order to salvage the event. Meanwhile, Stewie devises a master plan to get the one and only thing he wants for Christmas.

From Grimm to Griffin, three classic fairy tales get a new Quahog spin, including "Jack and the Beanstalk," "Little Red Riding Hood," and "Cinderella".