In this origin story, the students of Monster High decide to rewrite their own history and create a more accepting world. When a magical artifact unleashes a mysterious curse on Monster High, the ghouls must work together to stop it. They travel back in time to find the source of the curse and learn about the school's founding. Along the way, they discover the importance of friendship and embracing their differences.

Welcome to Monster High was primarily released as a direct-to-video film and received a mixed to positive reception from its target audience. While it aimed to explore themes of inclusivity and friendship, some critics and viewers noted that the plot was straightforward and aimed at a younger demographic. However, the animation quality and character designs were generally appreciated by fans of the franchise.

• Praised for its colorful animation and the core message of acceptance.
• Some found the plot to be predictable and aimed at a younger audience.
• The film successfully continues the franchise's themes of embracing individuality.

Google audience: Audience reviews are generally positive, with many parents appreciating the film's message of inclusivity and celebrating diversity. Children who are fans of the Monster High franchise tend to enjoy the characters and the storyline.

This film serves as a prequel, establishing the origins of Monster High and introducing some of its earliest students, including Draculaura and Frankie Stein, in a new light.