Cortex [1] is a case study of the workflow of CGP Grey, who makes really great YouTube videos that the HN community would probably enjoy. It's slated for 10 episodes, and currently episode 5 has just been released.
I also really like Hello Internet [2], which is done by a couple of guys who make YouTube videos for a living. Usually not super tech-oriented, but they almost always have interesting discussions. It's a fun podcast.