The Lees goes ice fishing and Seojun shows he is quite skill at it. After finishing fishing they feast on their catch where the twins are curious about tasting chili sauce. Seojun has figured out how to turn the lights on at home and refuses to go to sleep during bedtime. Later Hwijae brings the twins to a play center that specialize in children's play vehicles. The Choos are still at Hokkaido. Father and daughter have a fun chat during a hot bowl of ramen, the next day the two participate in a DIY chocolate course. Taewoong invites his former 2 Days & 1 Night castmate Cha Tae-hyun and his daughters to his home to keep Jion company. Taewoong cook a delicious duck stew meal for his guest which causes Tae-hyun's toddler daughter Su-jin to continuous suck on the duck bones. Ilgook takes the triplets to a dojang for Taekwondo lessons. Later at home Ilgook once again teaches the triplets how to put on their own diaper and pants. Guest stars: Cha Tae-hyun with daughters Cha Tae-eun & Cha Su-jin (Source: Wikipedia)