This story is a sequel to Equestria Ninja Girls Halloween Special

After the Beauty Trio's thief adventure with Sly Cooper, this year's Halloween was the most terrifying yet! And everyone had a blast! But on the eve of Christmas, Mikey, Pinkie, Rainbow Dash, the CMCs, and Aria entered a portal summoned by a strange key that the siren had, only to find themselves in terrifying new forms! Where were they and why did they become monsters? They meet scary friends and horrifying enemies, will they make it back home in time for Christmas? Find out on Equestria Ninja Girls: The Nightmare Before Christmas: Oogie's Revenge.
Disclaimer: Neither Darth Wrex, nor I own Equestria Girls, Teenage Mutant Ninja Turtles (2012) or Nightmare Before Christmas.

The Canterlot High Halloween party is a longstanding tradition. And often a bit of a dud, but who expects quality entertainment from a school, anyway? But with the wild year that's passed them by, Principal Celestia enlists the help of Pinkie Pie to make this Halloween party the best one yet. It will be fun, it will be frightening, it will be the best party she's ever conjured! Armed with her expertise and the help of her friends, even preparing the festival is sure to be a blast.
After all, why shouldn't everything about a party be fun?

Drake, also known as Spider-Man, is having a terrible Halloween, the Sinister Six are destroying the city again and he's pissed. It's been two weeks since the funeral of his girlfriend, Sunset Shimmer, and they just won't leave him alone. However maybe things aren't so bad...

This story is a sequel to Mighty Morphin Ninjas and Equestria Ninja Halloween.

Rita hatched a new plan and sent her monsters to defeat her enemies from different areas. Can the Power Rangers, Ninja Turtles, Rainbooms, and their allies defeat Rita’s monsters before the night of Halloween?

This story is a sequel to Equestria Ninja Girls Magical Mayhem

It's Halloween in Canterlot, and the Ninjas and Rainbooms are ready for fun! They'll have fun at a party, tell scary stories at a campfire in Camp Everfree, and partake in a thriller.

Takes place after the events of Magical Mayhem on Deviantart.

This story is a sequel to Equestria Ninja Girls Halloween Special

It's Halloween, and the Rainbooms and Turtles are telling Spooky Stories again, inviting the CMC, Flash, Sandalwood, Micro Chips, and the Rock N Beats to join them. Melody and the other Rock N Beats make fun of Sweetheart for being scared, but little do they know, is their all about to get the fright of their lives!

written by me and Jebens1. cover also by Jebens1.

Based on fiction by Wildcard25

Many ponies, whether grown or foals, are sure to remember last year's Nightmare Night where Princess Luna came to Ponyville to celebrate the holiday with her subjects, and this year, it's no different.

Luna returns to Ponyville to celebrate Nightmare Night with her subjects again, but now, already knowing what this holiday is about, she decides to come to Ponyville in a costume.

Twilight and Luna are happy to see each other, especially at this year's Nightmare Night, and they decide to spend the holiday night together, just like last year's Nightmare Night.

This story is a sequel to Rainbow is Magic S2: Shadow over the Crystal Empire

After some prior defeats at the hooves of some heroic ponies, several past villains are brought together for a special plan...A plan that spells doom for Equestria...

Halloween: A time when people dress up in funny costumes to receive substantial amounts of sugary treats. The three siren sisters decide to take part in the tradition in their own ways.

Rated T for suggestive descriptions of clothing

Not Edited yet, so expect mistakes and rushed chapters. Have a nice day/night.

A strange falling star has fallen to the Northern kingdom. Luna and Cadence went out to investigate and found claw prints in and out of the crater. A new creature is now loose in Equestria, and Luna can't figure out if it's dangerous or not. After a week of the discovery, Fluttershy went missing in the Everfree Forest, and Luna fears the worst for the timid mare of Kindness. But what she doesn't know, is that the timid mare is alive and well.
Now, Equestria and the royal pony sisters are in danger by Luna and Celestia's old foe, Nightmare. Will the new visitor help the sisters defeat the force of evil, or turn on them and take over Equestria with the help of the parasitic nightmare.