Monster High: Freaky Fusion

Frankie Stein and her friends travel back in time to the opening day of Monster High to explore Frankie's ancestry. During their trip, they encounter Sparky, a teenager obsessed with creating life. When Sparky follows the group back to the present through a portal, an accident causes eight of the students to fuse together into four hybrid monsters. The group must learn to coordinate their shared bodies for a school play and prevent one of Sparky's experiments from destroying their school.

This 2014 animated film was produced by Mattel, Mattel Playground Productions, and Nerd Corps Entertainment. It was directed by William Lau and Sylvain Blais. For Lau, this was the 12th of 15 films he directed, following Monster High: Frights, Camera, Action! and preceding Monster High: Boo York, Boo York. Blais also directed the previous entry in the series. The screenplay was written by Keith Wagner. The voice cast includes Kate Higgins as Frankie Stein, Haviland Stillwell as Avia Trotter, and Laura Bailey as Lagoona Blue and Headmistress Bloodgood. Other cast members include Paula Rhodes, America Young, and Erin Fitzgerald.

The movie has a runtime of 73 minutes. It received generally positive feedback from audiences, holding a 6.9 rating on IMDb from 1,400 votes and a higher score of 7.8 on TMDB based on 138 votes.