Heroes Alliance: One Goosebumped Halloween at Greenville

In the Halloween special bonus episode of Heroes Alliance FINAL, taking place before the final episodes, Zach Holo unintentionally releases EVERY Main antagonist the Goosebumps author, R.L. Stine, has created!

Creatures of evil: The Heroes Alliance FINAL members roster, all including members old (e.g. Optimus Prime) and new (e.g. Daniel Fortesque) to combat these threats and put them back to the books where they belong! The book that Xandir is reading is a dark magic book belonging to Megamo!
 * Slappy the Dummy
 * Carly Beth/The Haunted Mask
 * Madame Doom
 * Captain Long Ben One-Leg
 * The Phantom
 * Dr. Maniac
 * A Scarecrow
 * The Graveyard Ghouls
 * The Creeps
 * Praying Mantises
 * Count Nightwing
 * The Swamp Monster
 * The Lord High Executioner
 * Prince Khor-Ru
 * A Pumpkinhead
 * Murder the Clown
 * Professor Shock
 * A Muglani
 * Cronby
 * Seth
 * Body Squeezers
 * Fish Men
 * Lawn Gnomes
 * The Abominable Snowman of Pasadena
 * Will Blake
 * Monster Blood
 * Cuddles the Hamster
 * Horrors
 * The Blob Monster
 * The Shrunken Head of Baladora
 * Curly the Skeleton
 * The Kids of Bell Valley
 * The Mayor
 * Clarissa the Witch
 * The Snake Lady
 * Sabre
 * The Evil Camera
 * Amaz-O
 * Rip the Cat
 * Mary Ellen
 * Masked Mutant
 * Werewolf