影片讲述了哪吒为了救出活祭的小孩，杀死龙三太子。因而惹怒了龙神，被龙神所伤，断掉一臂。最终在太乙真人的帮助下，塑莲藕手臂，提升“离火印”实力，最终击败龙神，拯救陈塘关，战胜邪恶的故事。<br>(电审动字[2021]第20号)
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