Monster High: Boo York, Boo York (also titled Boo York Boo York: A Monsterrific Musical!) is a 2015 computer-animated musical adventure fantasy children's film released on home video on September 29 and broadcast on Nickelodeon as a television special on October 25. Directed by William Lau and written by Keith Wagner, who also provided its story and screenplay, the film is the 12th in the list of CGI-animated films based on the Monster High doll franchise by Mattel. The soundtrack charted on Billboard's US Kid Albums and US Soundtracks.