A new Star Trek discussion podcast started this year that I am really enjoying. The hosts are very enthusiastic, they do the research, and they go in depth on every episode. So far, they have gotten through both parts of "The Menagerie." https://podcasts.apple.com/us/podcast/enterprise-incidents-with-scott-steve/id1559296756 Check it out if you feel so inclined. Steve Morris' other podcast, The Cine-Files, is also highly recommended, and they have talked about at least four of the Star Trek movies on that show.