A show called "KnowHow" appears to have a video/episode for DC Darknet Badge: https://www.youtube.com/watch?v=85QrwSK71q8
Also, a "HAK5" video with indexed time to jump to an interview about "DEF CON Darknet" : https://youtu.be/ThmNcuK5Efc?t=2181
Also, a "HAK5" video with indexed time to jump to an interview about "DEF CON Darknet" : https://youtu.be/ThmNcuK5Efc?t=2181