S1, E18: Leeteuk and Yesung from SUPER JUNIOR host this variety show. Every episode features different world-famous stars and challenges them to complete exciting missions. CIX returns for another unforgettable episode. Yesung takes the K-pop karaoke challenge to a whole new level with his heavenly backup vocals. Then, a miracle occurs when CIX takes on the Codename Zero game, where the members must dance perfectly in sync. Even after repeated heartbreaking failures, their unwavering positivity shines through. The CIX members stun the hosts when they vow to never surrender.