There is little doubt that Gunsmoke is among the all-time best TV Westerns there ever was. Frankly, some might consider it the absolute best of the genre. James Arness' Marshal Matt Dillon is quite the strait-laced character, a protagonist we love to watch each week because of his honesty, integrity, and commitment to what's right. But even Marshal Dillon doesn’t always come out on top, and even when he gets his man, things don't always turn out the way they should. This is true of Gunsmoke's finest hour: the Season 7 classic "The Gallows." That's right, out of all the episodes of this 20-season horse opera (and there's over 600 of them), this is the one that has unquestionably stood out as the best Marshall Dillon tale — and the ending is truly haunting.