Barney's Adventures of Monster High: Ghouls Rule! is a Barney/Mattel crossover film by Akg91794. It will premiere on YouTube in the nearby future.


Barney, BJ, Vanellope, Ralph, Felix, Dipper, Mabel and the Chipmunks go to Monster High right before Halloween to help the students learn that humans, or as they call us 'normies', are just as equal as they are, as well as help Frankie Stein, daughter of Frankenstein's monster, convince them that too. Unfortunately, things go a little unexpected and soon after a series of events, they must save Frankie's friend, Holt Hyde, son of Dr. Jekyll/Mr. Hyde from dying.


  • Dipper Pines, Mabel Pines, Wreck-It Ralph and Fix-It Felix, Jr. appear in this movie.
  • It's revealed here that Barney used to be the school psychiatrist at Monster High, and is Headless Headmistress Bloodgood's husband.
  • The kids' costumes include (alphabetically):
    • Alvin:
    • BJ:
    • Dipper:
    • Mabel:
    • Simon:
    • Theodore:
    • Vanellope:

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