The Lees are still at Hwijae's former teacher's home. Hwijae cooks dinner for his former teacher while struggle to cook on a rural stove. Taewoong and Sung Si-kyung work together to get Join's toy un-stuck from the ceiling. Ilgook participates in a triathlon competition. He has each of the twins accompany in each different category. The Choos invite the Sarang's cousins over. Sunghoon has fun playing DJ while the kids dance to the music. Guest stars: Sung Si-kyung, Sean (Source: Wikipedia)