Join your favourite ghoulfriends in an all-new aquatic adventure! When the ghouls get pulled into the school pool, they're transported to the gore-geous underwater world of the Great Scarrier Reef. Lagoon realizes she's come home and, in a fintastic mission of the heart, decides to come to terms with her own freaky flaws. Of course she'll need help from the most creeperific firends ever as she confronts a frenemy from her past, competes in a scaretastic dance extravaganze, and fights a terrible beast from the deep!

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: a villainess zombie is spreading trouble rather than friendship, and every student must live with the fear that their secret will be revealed. Now the ghouls must save their school so that every monster has a place where they belong and their uniqueness is celebrated!

Draculaura has a fright idea when her dad lectures her class on human holidays! She convinces the Monster High students that it's time for their own holiday - a Howliday! But, the students have different, competing ideas for the howliday, causing chaos. Now the ghouls must use their abilities to unite the students with the message: Holidays are about family and togetherness.

When Clawdeen dreams of opening a salon made for monsters and normies, Frankie has the perfect place - an abandoned power station outside town. But the idea sparks negative voltage when Moanica plots to ruin the whole thing, and replace the celebration with something a little more... shocking! Luckily the ghouls have a secret weapon on their side...Twyla, the daughter of the Boogey Man, and the perfect ghoul to unearth any mystery. Along with the most voltageous salon ever! So catch every twist, turn, zap and blast...because the Monster High ghouls are about to get ELECTRIC!

A porcine bounty hunter accepts his next hit: Pickles, a naive, ebullient elephant. Though he initially sets out to capture the perky pachyderm, the unlikely pair find themselves crisscrossing the globe on an adventure that brings out the best in both of them.