本片是一部韩国音乐片，上映于2021-04-01，由导演，由沈昌珉/郑允浩/李上渊主演。
剧情简介：Who is the best K-POP performer? Let's throw away all our titles and compete solely through our performances! Here are six K-POP boy groups: the group that ensures your entertainment "BtoB," the idol of the nation "iKON," one-of-a-kind perfect performing group "SF9," group with a strong performance, "THE BOYZ," rising on the global market, "Stray Kids," and a global hot rookie "ATEEZ," who are different in music style and even their debut years. They are gathered here to compete on stage and only on stage. After the missions of recreating their representative songs, covering other groups' songs, and bringing secret weapons, which group will become a legendary group? Bet everything you have and compete to write a new K-POP history! The performance survival show of global K-POP idols.
外文名：킹덤: 레전더리 워
别名：Kingdom : Legendary War
类型：音乐 / 歌舞 / 真人秀
地区：韩国
演员：沈昌珉 / 郑允浩 / 李上渊 / 裴俊英 / 金泳勋 / 李在贤 / 李柱延 / 文炯书 / 崔燦喜 / 池昌珉 / 周鹤年 / 金善旴 / 孙英宰 / 徐恩光 / 李旼赫 / 李昌燮 / 辛东根 / 金振焕 / 宋尹亨 / 金知元 / 金东赫 / 具俊会 / 郑粲右 / 金仁诚 / 金永斌 / 李在允 / 李达渊 / 白朱豪 / 金路云 / 柳太阳 / 金辉映 / 姜澯熙 / 方灿 / 李旻浩 / 徐彰彬 / 黄铉辰 / 韩知城 / 李龙馥 / 金昇玟 / 梁精寅 / 朴星化 / 金弘中 / 丁润浩 / 姜吕尚 / 崔伞 / 郑友荣 / 崔钟浩
