Monster High: Haunted

When Spectra Vondergeist goes back to her old ghost school to find out why Monster High is being haunted, the other ghouls use Boogey Sand to transform into ghosts so they can follow her. There, they die-scover that spirits are low because the Principal weighs students down with ghastly rules and detention chains. It's up to the ghouls and their new ghost friends to unbury the mystery of the hauntings and the secrets of the ghost school!

Monster High: Haunted is a 2015 animation family movie, starring Debi Derryberry, Erin Fitzgerald, Salli Saffioti. It holds an IMDb rating of 6.6/10 from 1,464 votes and runs 1h 15m.