Welcome to Monster High (TV special)

"Welcome to Monster High", alternatively titled "Welcome to Monster High: The Origin Story", is the fourteenth TV special produced for the Monster High cartoon series. It will release in fall 2016, and coincide with the new look Monster High dolls which will be released around the same time.

Story
Very little is known about the movie at this time, other than it will focus on the origin stories of Monster High's core characters, and will be animated into a new CGI animation style, which closely matches the new look dolls coming in Summer 2016. Two new characters will appear, Ari Hauntington and Moanica D'kay.

The synopsis on dvd.netflix.com says:

"Once upon a tomb, monsters lived in hiding, afraid they would be in danger if humans knew they existed. But Draculaura, daughter of Dracula, and her ghoulfriends dreamt of a school where everyone was welcome, and a world where monsters and humans could co-exist. Determined to make their dream come true, Draculaura and her best ghoulfriends travel the world on an epic adventure to recruit new students. But even in an amazing place like Monster High, there's drama; a villainous zombie is spreading trouble rather than friendship, and every student must live with the fear that their secret will be revealed. Be there for the beginning of the thrilling and fun monster movement. It's a scary-cool good time that will celebrate the monsters among us!"