When Ron's more troll-like tendencies arise, Fred and George take it upon themselves to bring out Hermione's inner princess to make sure she'll have the best Yule Ball experience. However, just because Fred's already a fairy godfather doesn't mean he can't also be a bit of a Prince Charming.

A work accident renders Fred as a five year old child. Dealing with a work emergency, George leaves his twin in the care of Hermione. Chaos occurs when the five-year old Fred decides that 'My-nee belongs to him.