Idols who have lost their group due to the pandemic, groups who have disbanded due to problems with their companies, rookie idols who need a fame booster and even seasoned idols who want to prove their skills to the world. Peak Time is a new survival show to revive former idol boy groups, or current idols which may need more promotion. Contestants compete in groups, judged by a panel of industry leading artists and producers.

Lee Seung-gi, Cho Kyu-hyun, Tiffany Young, Jay Park, Lee Gi-kwang, Kim Sung-kyu, Song Min-ho, Ryan S. Juhn, Shim Jae-won