https://invidious.snopyta.org/ https://instances.invidio.us/
I get the ID (the portion after https://www.youtube.com/watch?v=) and fetch with youtube-dl. Only the ID is necessary. For instance: youtube-dl WL_SGxCEiwI will fetch https://www.youtube.com/watch?v=WL_SGxCEiwI , a segment of 'Real Time with Bill Maher' from last Friday. russell bell