24 episodes. Coach Wu Mengmeng teaches swimming in episode 24. In the 24th episode of TV series "Come on, Mom", Wu took his sister and son Xiao Yang to the parent-child sports meeting. She met MengMeng, who used to practice gymnastics together, and MengMeng, who is now a swimming coach. They taught the children how to swim. She took good care of Xiaoyang and gave him a demonstration in person to guide him to practice swimming.