Sites: Jaegidong Medicine Market, a college, DMC Advertisements, Sangamdong Pantech office building /// Guests: Sistar (Hyorin, Yoon Bora, Kim Da Som, Soyou), MBLAQ (Thunder, G.O, Lee Joon, Seungho) / Cameo: Park Ji Sung (soccer player) /// Mission: The runningmen are working undercover at various jobs. They're asked to go back to the Central. / Stage 1: There, in a video, soccer player Park Ji Sung gives them their mission: find the 8th runningman and complete their mission within 1 hour. If someone shouts out their name or if more than 5 people start chasing after them, the recognised runningman is out. / Stage 2: find the nametag of the 9th runningman. For this mission, all runningmen get tied together by foot. Every minutes, they undo one tie. / Stage 3: find the 10th runningman. Protect Song Ji Hyo from the snipers until she scored a goal in the net. / Final stage: combine the items from the acquired cases to find out the final location of the 11th runningman.