Enter the Demon Slayer: Part 1 (Japanese: デーモンスレイヤーを入力してください:パート1 Dēmonsureiyā o nyūryoku shite kudasai: Pāto 1) is the fifteenth episode of the third season of Scooby-Doo: The Next Mystery.
A demon-exterminator comes across Scooby and the gang to help stop the demons and their emperor.