5th Anniversary Special: From Mount Halla to Mount Paektu

It's the 5 year anniversary special, and all the kids split into 2 teams. The Hammington, Bong, and Park family head to Jeju Island, and Sarang joins them. The Ko duo and Si-an with Minho in Dong-gook's place head to China, and See-eon and Seo-jun joins them.