Since your having trouble uploading them, you can try putting the videos into a .zip and upload it to either gofile.io (downloads last up to 10 days) or https://litterbox.catbox.moe/ (download last up to 3 days) then send the link here. If you have anything additional to the channel like...
Very good stuff, I'll add to that with a few tricks and tools I use for YouTube specific archival.
YouTube Unique IDs
This particular ID will be vital for some of the tools I provided below.. Unique IDs are 24 characters long, all of them start with the first two letters UC with the remaining...