Donggook has a special and awkward day with his father and Sian while wearing matching outfits. Sam takes a business trip to Japan and meets Sayuri to ask for babysitting as well as interviewing his idol. Meanwhile, as a farewell, Taeyoung’s family opens Ki Cafe to repay the love they have received so far. Guest stars: Heo Kyung-hwan (via phone call), Sayuri Fujita, Mark Hamill, Choi Hyeon-ho and Ji-woon and Ah-young, Hong Kyung-min and Ra-won, Jung Sung-yun  and Mo-ah (Source: Wikipedia)