Type https://archive.org/ into your browser. From there you can access a deleted Youtube video in the Internet Archive Wayback Machine.
Can you find private YouTube videos?
A private YouTube video can only be watched by any user who has been given permission by the uploader in the video setting page of that certain video. The private video can't be seen in the search results, and it will not appear as a recommended video, that's why you can't search for it.Apr 29, 2020
How do I find unlisted videos without linking?
Though you can't find a particular unlisted YouTube video without its link, you can discover other unlisted videos by browsing playlists, or by using an archive site like Unlisted Videos. If you're looking for your own unlisted videos, you're in luck—they're easy to find in the YouTube Studio editor.Oct 8, 2021