May I suggest one I am a part of? [if it's not allowed, I will remove it]
I make videos for Famicom Dojo. We have been doing this for over 10 years. Most of them are informative videos, but there are lots of different types and to the OP, there is a podcast as well.
For example, her is one we did about the Famicom Data Recorder:
Many years ago, when I decided to check out what "podcasts" were all about, one of the first I started to follow was 4cr, and I loved your "Rebel in Japan" segments :)