This week, the members are joined by four guests, Kim Young Min, Ha Do Kwon, Ji Seung Hyun, and Kim Yong Ji. They are put into Running Prison, where they have to find the boss and gang member of Petty Gang. If they manage to escape before the boss and gang member do, they’re exempt from getting punished. Stay tuned to find out who manages to escape Running Prison first! (thetvdb.com)