This is a pattern for managing video content related to a page. It uses a branch bundle combined with a hidden folder.
This page would be the content of the page itself, complete with the YouTube embed.
Click this link to access the Video Materials
This is a hidden branch bundle due to the hidden = true in the frontmatter. It hides these pages from the front menu, but they are otherwise accessible. It would contain the script for the video, and a link to the slides. We typically use a link tag to open in a new windows.