The Return of Superman

Choo Sunghoon and Sarang are going to Osaka to meet Sunghoon's parents. Tablo is recovering from shoulder surgery, will he be able to look after his daughter Haru? Lee Hwi-jae has become the god of child care, now that he's familiar with taking care of his twins, Seoeon and Seojun. He goes to see an eye doctor to check the twin's eyes. The charismatic actor Jang Hyunsung is actually a very clumsy person at home. He's very friendly with his two sons, Junu and Junseo. He teaches Junseo how to ride a bicycle without training wheels.

Sunghoon and Sarang decide to go to Okinawa to get away from snowy Tokyo. Tablo wants to help Haru find what she wants to do in the future, so they visit a martial arts school. Hwijae wants his twins to be professional athletes so he starts teaching them sports, he takes them to a basketball court and calls a professional baseball player to his house. On a snowing day, Hyunsung takes his two son's to their grandpa's grave. Hyunsung cries in grief as he misses his father so much. Junseo waits for the tooth fairy and makes a wish. Guest stars: Hwang Jae-kyun (Lotte Giants infielder)

Donggook has a quality time with the three children by going to a restaurant in his memory as well as making a promotional video for Pyeongchang Olympics. Meanwhile, Sam stays in a maternity ward with his wife, Yumi, and William for the delivery of his second child. You get to see the special story of them including the tough yet beautiful process of childbirth and welcoming the new member of their family with moving tears.

The families get ready for the KBS Entertainment Awards ceremony and the dads prepare a surprise to farewell Bong Tae-gyu and Si-ha.

It's already another year, and Ra-im is walking and talking now. Joo-ho shows the kids around his alma mater. The Hammingtons move over to the UAE capital, Abu Dhabi. The Do siblings get a tour of their dad's workplace.

Families shown in the episode: Kim Jun-ho (Kim Eun-woo); Jasson (Yeon Jun-beom); Park Joo-ho (Park Na-eun, Park Gun-hoo, & Park Jin-woo); Kang Kyung-joon (Kang Jung-an, Kang Jung-woo); Lee Pil-mo (Lee Dam-ho, Lee Do-ho); Jung Sung-ho (Jung Soo-ah, Jung Soo-ae, Jung Soo-hyun, Jung Jae-bum, Jung Ha-neul)// Guest star(s): Choo Sung-hoon, Lee Jae-ah, Lee Jae-si, Lee Si-an, Kim Ho-young, Lee Eun-ji// Special appearance(s): Cha Jun-hwan (via short video); Lee Seung-woo (via short video); TVXQ Changmin (via short video); Hwang Kwang-hee (via short video); Enhypen Sunghoon (via short video); The Boyz Juyeon & Younghoon (via short video); Hwang Je-seong (via short video); Kim Jae-joon (via short video)