When Principal Revenant learns that Spectra has brought non-ghosts to the Ghost World, she punishes the student with detention chains that prevent her from returning to Monster High! Now the ghouls have to assume new forms and travel back to Haunted High to save their friend and uncover the true nature of Principal Revenant's punishment.

At night under a full moon, a child operates a barber shop with a monstrous clientele.

While on her way to brunch with another princess, Magnolia and her unicorn Frimplepants transform into the Princess in Black and Blacky to respond to a monster emergency.

Everything changes for San Bernardino teenage suburbanite Jim Sturges when a 45-year old mystery resurfaces, threatening the lives of everyone in his seemingly sleepy town. Soon Jim has to team up with a band of unlikely (and some un-human) heroes to battle the monsters he never knew existed.

A young monster resents being called a monster.

Ben throws a surprise birthday party for his friend and fellow monster, Doris, complete with dancing, snacks, games, and presents.

Presents a simple song about monsters and how they like to dance.

A young monster says goodnight to all of the other monsters in his bedroom.

When the monster that Jeremy created threatens to return, Jeremy enlists his neighbors to help him with a creative solution to the problem.

Join Little Boo's spook-tacular Halloween party!