Using the wayback machine can work if you have the exact video link, but it's not guaranteed that they'll have it You can occasionally find a torrent out there

Using the wayback machine can work if you have the exact video link, but it's not guaranteed that they'll have it You can occasionally find a torrent out there of some channels entire video log Other than that, no If you come across a video that you really want to save, just use ytdlp to download it