The fourth season of America's Got Talent, an American television reality show talent competition, premiered on the NBC network on June 23, 2009. Country singer Kevin Skinner was named the winner on September 16, 2009. This season is the first season to be broadcast in high definition.
节目采用24小时合宿模式，打造内娱首个新人演员成长训练营，优胜者将有机会获得优酷头部古装大剧定制角色。节目不仅还原少年成长路径，展现一群少年的真实生活，更是一场少年们的生存之战——唯一的进组机会，见证少年们的成长与蜕变。
电竞传奇Faker、东方神起的最强昌珉、TXT的杋圭等神级阵容破天荒集结，同场大玩推理游戏！面对真真假假的线索和无处不在的心理博弈，究竟谁能揭开真相？
刘在锡出道34年来首次成为民宿老板。
