It's Nightmare Night and Skellinor, Ponyville's only resident skeleton pony, is the talk of the town in her princess costume. But why is she wearing Grogar's bewitching bell?
Coco's first mistake was letting the Manehattan Crusaders throw a Nightmare Night party in her apartment. Her second was leaving them alone with a particularly delicious cookie cake.
When Sunset discovers that Twilight has never gone trick-or-treating, Sunset decides that she needs to prove how absolutely amazing Nightmare Night can be—even if she has to drag Twilight along kicking and screaming.
When the Mane Six get fragged, they try to carry on as if nothing happened. The living, however, don't appreciate that. Princess Celestia's solution is not at all what the Mane Six expected.
An Equestria Girls story: Halloween is just around the corner, so what does that mean? A costume party of course, hosted by Pinkie Pie. Rarity offers to make each of her friends a costume for the nightmarish night bash. What will each of them choose?