An exhausted Celestia is in desperate need of a break from her duties. Luckily it looks like Luna has the perfect solution: the two of them growing into a gargantuan size in their dreams and mess around however they please!
Celestia finds a way to get even with Luna after she suffered a string of defeats in their long running prank war. Luna meanwhile gets a very big reminder that of the two of them, she's the little sister
After the events with the giant nobles, the growth spell, now having gone wild, targets another pony: Big Macintosh, who is feeling a little down in the dumps. Let's see how he feels when he becomes the largest thing alive in Equestria!
Cadance and Shining Armor want to do "Secret Santa" for Hearth Warming Eve and deliver gifts to all the filles and colts to the Crystal Empire. But when a stray blast from Flurry Heart turns them into mile tall titans they decide to take it global.