Collective crossover compilation: too many stories, not enough time, yet inspired by yesteryears' dreams including a few from 2019; though self–explanatory to a fault, it's not the all–singing, all–dancing for many either, given the main protagonist.
The Mane 6 reunite with their North Pole and Auroricorn pals, along with some new friends, in order to defeat an evil king named Winterbolt, who has teamed up with Allura and Twitch to stop the glow of Rudolph's nose and defeat the Mane 6 forever.