Netflix's Castlevania animated series is adapted from the acclaimed Castlevania: Symphony of the Night and Castlevania 3, and revolves around Simon's ancestor Trevor Belmont saving Eastern Europe from the shadow of Dracula. According to foreign media Deadline, the fourth season of Castlevania will have a total of ten episodes and will be the final season of the game-adapted animated series, but Netflix is planning to continue using this world view and launch series about new characters.