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