This is a 90-minute special episode titled: "Japan's Big Big Big Problem". The first investigation was the "Yokohama Pride", where people proudly say they're from Yokohama when asked their origin rather than the prefecture name. They even thought that Yokohama is one of the 3 major cities of Japan. They later investigated a high-rating Norwegian TV show which only broadcasted burning firewood. After failed making a good footage of both hosts talking over a burning firewood video, the show later showed a 2-minute video of burning firewood for the viewers. Next, they sent Emiko Kawamura to investigate unusual reactions from various region in Japan. After that they followed Mr. Kiritani's activity again, including going to a barber and eating sushi using coupons from stock benefits. He reacted to viewers' messages and shared his difficulty on living mainly from coupons. Lastly they investigated various weird signs in Hokkaido - bus stops with family names and a slope caution sign with motivational message. They also asked Mr. Kiritani, who is famous due to his bicycle riding activities, to try the slope. (Written by MyDramaList)