In episode 29, at 2 1 min 58 seconds, Guan Hongyu sat on the sofa and hugged pregnant Gao Yanan, snuggling up to each other and full of warmth. A gentle voice came from outside the screen: "Hello everyone, let's talk about parenting every day." This is the radio program "Talking about Parenting Every Day" by Zhou Zhen, an early education teacher of Teletubbies in Britain, which is a natural advertisement placement.