Immediately after the opening, the cast and guests were shocked when they were suddenly subjected to Crayon Pop-esque helmets which were firmly locked on their heads. The winners in each round of games would get the chance to pick a key that might potentially unlock them from their prison.

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With five freed members by the end, the final game turned out to be a five-versus-four match. This episode also marked the return of the famous 'bells hide and seek', and audiences were once again treated to the nostalgic sound of the ringing bells on the 'Commander' Kim Jong Kook as he sprinted down corridors with his fearful roar!

With the chasing team's handicap of four members, plus a rule that specified that one chaser would be ousted every time the mission team found one of the buttons that would open the final exit, the two surviving guests led the way to the mission team's victory.