Ghoulia must help a ghost remember his own name before he fades away in the third installment of the not-so-spooky series starring everyone's favorite little zombie!

When the ghouls of Monster High follow Spectra Vondergeist one day, they discover a creeperiffic Ghost World with an all-spirit school. But their scary-cute student bodies are hardly welcome with the very strict Principal Revenant, and she punishes Spectra with frightful detention chains that prevent her from re-joining Monster High. Now, it's up to the imperfectly perfect friends to take on ghostly forms in order to save one of their own from disappearing...

Monsters once lived in hiding, even from each other, because they were afraid they would be in danger if humans knew they existed. But Draculaura, the daughter of Dracula, along with her best ghoulfriends, dreamt of a school where everyone was welcome and accepted for who they are. Determined to make their dream come true, the ghouls travel the world on an epic adventure to recruit new students. But even in this amazing place, there's drama.

While attempting to help Frankie Stein learn more about her freakycool scaritage, the fashionably fierce ghoulfriends travel back in time to the first day ever of Monster High. There, they meet Sparky, a skullastic teen with an obsession for creating life. But when Sparky follows the ghouls through a killer time portal to modern-day Monster High, the event results in eight of them fusing together into four creeperiffic hybrid Monsters.