Zhou Dongyu came in the second episode of Youth Hostel, and Wang Jiaer came in the third episode. Dragon TV's "Youth Hostel" aired on Saturday. In the second episode on October 14, Zhao Yingjun, the manager of Building A, invited his friend Zhou Dongyu to come and help. In the third issue, Wang Jiaer, who has a strong sense of variety show, will turn on the high-energy mode.