Singer Yoon Min-soo and his mother Kim Kyung-ja showcased a cheerful back-and-forth on KBS 2TV's "Immortal Songs." The episode aired on December 13 under the theme "2025 Year-End Special - Family Vocal Battle." During the broadcast, Yoon Min-soo recalled memories of his mother, saying, "My mother was very strict. If I didn't listen, she would hit me with something like a hose." This remark brought laughter to the cast and viewers.

Yoon Min-soo continued, "It hurt a lot. Then I also got hit with something like a back scratcher." Kim Jun-hyun laughed and said, "In that generation, they just hit you with whatever was at hand." This conversation highlighted generational differences and created a humorous atmosphere among the cast.

Kim Kyung-ja expressed her dislike for her son's reggae hairstyle, making everyone burst into laughter. She recalled, "I really hated it. When I said let's go together, he would run away. He liked to stand out since he was young." This statement revealed Yoon Min-soo's past personality and showed the close relationship between mother and son.

"Immortal Songs" is a program where various classic songs from different genres are reinterpreted and performed, airing with a new theme each week. This episode emphasized family bonds and gave viewers a warm, touching experience. The show features different artists each episode who reinterpret classic songs in their own style.

This year-end special provided an opportunity for the cast to share personal stories through the theme of family. The conversation between Yoon Min-soo and Kim Kyung-ja resonated with many, bringing laughter and reminding everyone of the importance of family. "Immortal Songs" will continue to engage viewers through diverse themes in the future.