What episode is Cousin Xiao Xin coming?

Crayon's new cousin appeared in the fifth episode. In this episode, Lai Dongdong, a distant cousin of crayon Xiao Xin, comes to play with him. This is the first time that Lai Dongdong appeared on the screen. He came to crayon Xiao Xin's house mainly to learn about his cousin's study, so as to enter the public's field of vision and become a new role in this episode. Crayon Shinsuke, featuring a five-year-old boy Nohara Shinsuke, tells a series of interesting and meaningful stories between him and his family, teachers, classmates, neighbors and passers-by. Although Xiao Xin is young, she is precocious and likes to appreciate and chat up beautiful women. This unique personality has won him wide love from the audience. Xiao Xin often reveals the true meaning of life and the complexity of human nature with his unique perspective and humorous way.