James Arness’s Last “Gunsmoke” Episode Is Hard To Watch

James Arness’s Last “Gunsmoke” Episode Is Hard To Watch For two decades, Marshal Matt Dillon held Dodge City together with a quiet, steady authority. Through James Arness, Gunsmoke found its backbone, the one presence every story depended on. But in his final episode, that image doesn’t just shift; it breaks. The man who once felt untouchable suddenly looks worn down, almost unfamiliar—and it’s that change that makes the episode so difficult to sit through. What exactly happened in that last appearance? And why did it leave fans unsettled long after it ended? Stay with us, because this final chapter isn’t as simple as it seems.