Search Video Audio

Check subtitles available:

1url='https://videos.domainepublic.net/videos/watch/d9567d5b-1add-477c-bce3-a58cef84c28c'
2yt-dlp --list-subs "$url" | grep --max-count=1 '^en'

The original language often displays with -orig, e.g. en-orig (Original).

 1Language Formats
 2ar       vtt
 3az       vtt
 4bg       vtt
 5ca       vtt
 6cs       vtt
 7da       vtt
 8de       vtt
 9el       vtt
10en       vtt

Search youtube.com for videos on a topic, and download subtitles:

1url="$(ytfzf -I l "$search" )" && \
2yt-dlp --write-subs --sub-format 'ass/srt/best/vtt' --sub-langs "en.*" --skip-download "$url"