If you want to watch the video again after the video is offline, you can try the following methods: 1. Check if the network connection is good and ensure that the network connection is stable to avoid the video being unable to play due to network problems. 2 Try to use other video players to see if the video exists. If other video players can watch the video normally, you can try to download the video and watch it on other players. 3 If other video players are unable to view the video, you can try to contact the video producer or platform to ask if you can download or play the video again. 4 If the above methods cannot solve the problem, you can try to log in to the film and television account on other devices to see if you can watch the video normally. Please note that some videos may not be able to be played again due to copyright issues. Therefore, please ensure that you abide by relevant copyright laws and regulations to prevent illegal access and use of video resources.