On KBS 2TV variety show "The Return of Superman," Wonder Girls members talk about their plans for having children. In episode 589, aired on the 10th, Sunye, Yubin, and Sohee of Wonder Girls meet member Hyerim's sons, Siwoo and Sian. On this day, the Wonder Girls members spend a special day together taking care of Siwoo and Sian.

The broadcast features scenes of the Wonder Girls members caring for Siwoo and Sian together. They visit the former JYP building and their favorite restaurant with Hyerim, reminiscing about old memories. Hyerim shares, "Coming here with Siwoo feels very nostalgic." The Wonder Girls have a meal with dishes full of memories at the restaurant they frequented since their trainee days.

When asked if she originally planned to have two children, Hyerim answers, "Ideally, I wanted a son and a daughter." In response, Sunye asks, "Is there no third child? Are you sure?" and gives practical advice, saying, "You can't be sure until you have surgery." Sunye says she once thought she would have three children. Yubin expresses her dream of playing soccer with a son, and Sohee says, "If I have children, I want two rather than one. But I don't know if I can have children." Sunye coolly remarks, "You're already talking about kids. You should get married first," causing laughter.

The episode shows Sohee feeding Sian baby food and putting him down for a nap. Wearing a baby carrier, Sohee proudly says, "I guess I'm good at putting him to sleep," as Sian falls asleep. Yubin shows a caring aunt side by removing fish bones for Siwoo. Sohee continuously gazes at Siwoo and Sian with heart eyes and confesses her plan for children, saying, "When I get married later, I want to have two kids."

The Wonder Girls members embark on a nostalgic trip ahead of their 20th debut anniversary. They spend time with Hyerim's son Siwoo at the former JYP building, sharing past memories. Yubin says, "It would be nice if Siwoo becomes a trainee at JYP someday," suggesting a future path for her nephew Siwoo. Sunye mentions the possibility of a Wonder Girls reunion, saying, "There are many comments on Yubin's YouTube hoping for a Wonder Girls reunion." MC Choi Ji-woo expresses anticipation by asking, "Can we look forward to a Wonder Girls reunion for the 20th anniversary?" Hyerim leaves a meaningful remark, "If there is a good opportunity, there might be good news."

KBS 2TV's "The Return of Superman" airs every Wednesday at 8:30 PM. This episode details the meeting between the Wonder Girls members and the brothers Siwoo and Sian, as well as their nostalgic journey. The various stories of Wonder Girls and their plans for children are expected to attract great interest from viewers.