A shaky truce between a group of kingdoms is maintained by a ban on practicing alchemists. However, a group of alchemists from these lands unite to enable peaceful cooperation.
《蜡笔小新》第28部电影,日本于2020年4月24日上映,本作并为蜡笔小新漫画连载30周年纪念作品。宣传标语有[世界拯救!蜡笔!,本作以涂鸦王国为舞台,讲述小新等四位勇士拯救世界的故事。