What episode is Guang Zhi wiping Xiao Xin's hair under the bridge?

150 episode. The cartoon Crayon Xiao Xin tells the story that Xiao Xin is a 5-year-old boy who is attending kindergarten. He is precocious at heart. At first, Xiao Xin formed a family of three with his father Guang Zhi and his mother Meiya, and then he joined the story of Xiaobai, a stray dog. In episode 150, Hiroshi's father asked Xiao Xin to take shelter under the bridge because of the rain, and wiped Xiao Xin's head with a handkerchief.