Monster High is an American animated teen fantasy comedy television series based on Mattel's fashion doll franchise of the same name which premiered on Nickelodeon in the United States on October 6, 2022. Shea Fontana, who previously developed the 2018 reboot of Polly Pocket, is its showrunner.

Nickelodeon, occasionally shortened to Nick, is an American pay television channel owned by Paramount Global through Paramount Media Networks’ subdivision, Nickelodeon Group. Launched on April 1, 1979, as the first cable channel for children, the channel is primarily aimed at children and adolescents aged 2 to 17, along with a broader family audience through its program blocks.