DearSatanisahilariousanimatedChristmasfilm,createdbyAnomalyLondon,aboutayounggirlwhoaccidentallywritesaheartfeltlettertoSatan,whensheactuallymeanttosendittoSanta.OnelittlegirlchangesthewayChristmasfunctionsinAnomaly’sawesomefilm,narratedbythegreatSirPatrickStewart,withonehellacioustypo.