The latest episode of Scott Moran’s excellent web series “Modern Comedian,†in which he makes a short documentary about a different comedian each week, focuses on Power Violence, an L.A.-based group of comedians/skatepunks who make videos and run on a terrific weekly comedy show. This is the first episode of “Modern Comedian†that’s produced by PBS Digital, which is a pretty exciting development for Moran and his web series. In their “Modern Comedian†installment, you get to see the Power Violence guys’ intense pre-show ritual, the giant mansion they all live in together, and some haircut tomfoolery at a Wal-Mart. Doin’ PBS proud.