The first topic was about harassment types. It included things like "continuously asked 'how many people?' by a waiter harassment" and "tell something funny harassment". They later met Momochi (Ep. 181) and her friend who was receiving "You are Momochi's friend harassment". Irumania (Ep. 125) coincidentally was also there and they took a photo together. After that they investigated about variations. It included temple quotes, Yukko's (Ep.172) welcome, sneezing sound, and Matsuko's dress. After that, they investigated about unseen things which included liquid crystals of LCD and "xie xie" pose of Chinese people. The hosts later inspect the liquid crystal in the studio. For the last segment, they had some wakame seaweed dishes in "Feeding Matsuko Fresh Produce". (Source: MyDramaList)