Mary Margaret knows her outfit for WonderElla (Wonder Woman meets Cinderella) would win Best Costume at McKenzie?s Halloween party. The only problem is, McKenzie?s party is going to be held outside at night, and that means it?ll be . . . DARK! A series of events (e.g. the death of the principal?s hedgehog, and her mother forgetting to pick her up from school one night) has made Mary Margaret highly suspicious of the dark. But a girl can only hide...