The Jang brothers continue their journey in Japan as Junseo gets a haircut from Sunghoon regular stylist, they visit a giant Gundam and have a face-off with a real-life raptor. Meanwhile Haru has fun with her friend Hyeon as they go winter camping. The twins are out with their grandma who always gets criticized for her child-rearing antics. Hwijae goes out with Seoeon and gets embarrassed when fans mentioned that Seoeon can't be without his dad.