There’s an awesome tool I use to automate this process called TubeArchivist. Automatically downloads new videos from subscribed channels or playlists. Downloads the metadata, thumbnail, and comments too.
It has a built in viewer that works fine so I haven’t tried getting the content into my Plex server, but I’ve seen people in the discord talking about doing it.
Me: Surely they left their brights on accidentally flashes my brights to alert them
Them: turns on actual brights blinding me for the next 30 seconds