First of all, this article will include spoilers for The Walking Dead, The Wire, The Shield, and most other series with the word "The" as the first word of their title. Last nights Walking Dead, titled Killer Within, finally gave the series the "Holy Shit" episode we've been waiting for. What is the "Holy Shit" episode you ask? Read on below and I'll explain the difference from "holy shit" moments and the "Holy Shit" episode. Once again spoilers ahead if you haven't watched it yet read at your own risk.