In this episode, the members are time-travelers, and they are going back in time. In Joseon Era, they solve quizzes to be divided into teams. Jong Min who is an expert in Korean history becomes the key man, but the result is beyond everyone's expectation. In Goryeo Era, two teams play the game of Unified Korean Songs. And individual games await the members in Baekje Era which will also give them a hearty lunch. (Source: Viu)