Having recently completed watching all fifteen seasons and twenty years of A Touch of Frost, I can say that's quite a run for any series. To be frank, I didn’t form the same kind of bond with the central character as I did with Vera or Jimmy Perez in Shetland. The plots were what stood out to me most, although there were some episodes where I dozed off and skipped ahead without realizing it—maybe watching TV in my fa…