yt-dlp is a free and open source tool you run locally to download from YouTube (and others).

I often use it to download whole playlists or channels to then load into my Jellyfin server such as shows for my younger kids or to rip the audio for music.

Same here; been enjoying Voyager

Closest we’ve managed to theater popcorn is a popper like this:

https://a.co/d/00QvaAmR

With butter of course and then seasoned with Flavacol:

https://a.co/d/06htB9Nv