handy batch downloader for youtube-dl for windows
Just head on over to https://youtube-dl.org/ to download the latest stable version of youtube-dl. Place the exe in a secure location on your drive. Then add the exe to your path envionment variable. You can then use this script to aggregate as many videos as you want, and then download them in a convenient way.
I also recommend you use my recommended config file for youtube-dl for best results, place it in %appdata%/youtube-dl and make sure it is named config.txt