You can open Zhejiang Children's Channel official website on your computer. In the pages of this website, users can find the programs they need to watch. After clicking on the program, a new page will appear, in which you can find the option to view the previous program playback. By clicking this option, the user can watch the past playback content of the program. Therefore, official website, Zhejiang Children's Channel, is the place to watch the replays of previous programs.