See Unlisted Videos Youtube Extension (RECENT)

: An open-source project designed to help display unlisted videos that were previously public or otherwise indexed. 2. Third-Party Web Archives (Alternative to Extensions)

"Unlisted" simply means the video is hidden from search results and channel pages; anyone with the direct link can still view it. If you want a video to be completely private, you must set it to Private , which restricts access to specific invited users only. see unlisted videos youtube extension

: Sites like UnlistedVideos.com host a searchable database of over 600,000 unlisted videos submitted by users. : An open-source project designed to help display

When using a YouTube extension to see unlisted videos, keep in mind: you must set it to Private