This week, the members join the environmental workers and zookeepers for cleaning duty. Kim Suk Hoon joins Team OB with Jae Seok, Haha, and Woo Jae, and they clean the streets of Jongno. Team YB with Mi Joo, Jin Joo, and Yi Kyung joins the zookeepers in Yongin to clean panda and tiger cages.