Sunset as the rest of Equestria is looking forward to the summer sun celebration until the main attraction goes missing and Sunset is determined to get her back.
Christmas is Derpy’s favorite time of year. That's why she planned to make this Christmas the best Christmas ever for the Doctor and Dinky. However, a certain pink pony had other plans.
With Derpy forced to return to her old life as a servant to her hateful family, her friends in Ponyville, the Doctor among them, plan to help her in any way they can.
After her sand castle is washed away by the ocean, Dinky Hooves takes it upon herself to do something that should have been done centuries ago: destroy the moon.