You can run this command in a scheduled task (Windows Task Scheduler or Cron on Mac):
: Go to a site like YouTube Multi Downloader and select the Playlist or Channel tab. Paste your link into the "Playlist Link" box.
Downloading entire YouTube playlists or channels at once can save hours of manual work. is a popular online tool designed for this purpose, though several alternatives offer similar "bulk" features. Quick Guide: Using YouTube Multi Downloader
4K Video Downloader has the most intuitive "Smart Mode" for batch downloading. You can paste a YouTube channel link, and it will automatically grab every single video from that channel, including subtitles and thumbnails.