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Season guide

Gunsmoke: Season 12

29 episodes Premiered Sep 16, 1966 Updated Sep 30, 2026
Previously on Gunsmoke

Season 12 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Gunsmoke Season 11.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 12 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 12 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 12: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

10%
90%
Mytharc (3): Crucial lore & season climaxes
Core (26): Character development & subplots
Side Quest (0): Standalone / filler
S12·E1 Mytharc

Snap Decision

Sep 17, 1966 · 45 min

Disturbed over being forced to kill a prisoner who was trying to save his life, Matt Dillion turns in his badge.

S12·E2 Core

The Goldtakers

Sep 24, 1966 · 45 min

A gang of thieves commandeers the Dodge City blacksmith shop to divide a gigantic bar of gold.

S12·E3 Core

The Jailer

Oct 1, 1966 · 45 min

Six years after her husband's hanging, Ma Stone plots her revenge against Matt Dillon by first kidnapping Kitty to use as a lure and then jailing Matt to be hanged on the morning o

S12·E4 Core

The Mission

Oct 8, 1966 · 45 min

Marshal Dillon is helped by an apparently friendly young runaway who later faces him as a deadly adversary.

S12·E5 Core

The Good People

Oct 15, 1966 · 45 min

A respectable rancher and his son hang an innocent man and allow a bewhiskered bounty hunter to go on trial for the murder.

S12·E6 Core

Gunfighter, R.I.P.

Oct 22, 1966 · 45 min

A gunfighter (McGavin) hired to murder Matt Dillion gets wounded while trying to save the life of an elderly Chinese man.

S12·E7 Core

The Wrong Man

Oct 29, 1966 · 45 min

Hootie Kyle is a poor but honest farmer whose credit has run out. Matt Dillon and Festus lend him some money, then he gets swindled out of it in a poker game. Later Hootie gets cir

S12·E8 Core

The Whispering Tree

Nov 12, 1966 · 45 min

After eight years in a prison for robbery a farmer returns home and hopes to find the stolen fortune he had buried under a tree.

S12·E9 Core

The Well

Nov 19, 1966 · 45 min

All of Dodge City is suffering from a drought. A rainmaker (Guy Raymond) tries to put an end to it before the town's public well, their last source of water, runs dry.

S12·E10 Core

Stage Stop

Nov 26, 1966 · 45 min

Doc Adams takes up arms to defend a gold shipment from bandits, first during a stagecoach ambush and then at a weigh station. He is aided by a blind man and a wounded man in the

S12·E11 Core

The Newcomers

Dec 3, 1966 · 45 min

Lars Karlgren, a Scandinavian immigrant and his teenage son Petter, find the West even wilder than they had imagined when they settle in Dodge City. Petter gets framed for a murder

S12·E12 Core

Quaker Girl

Dec 10, 1966 · 45 min

The identity of a criminal is confused with that of deputy marshal Thad, when a Quaker party rescues the pair from a do-or-die fight.

S12·E13 Core

The Moonstone

Dec 17, 1966 · 45 min

A young farmer's former partner-in-crime, girlfriend and slow-witted brother figure in the discovery of his forgotten past.

S12·E14 Core

Champion of the World

Dec 24, 1966 · 45 min

Bull Bannock (Alan Hale), retired heavyweight champion of the world, attempts to make a home for himself in Dodge City, and tries to buy Miss Kitty's Longbranch Saloon.

S12·E15 Core

The Hanging

Dec 31, 1966 · 45 min

To Marshal Matt Dillon and his deputies falls their grimmest task in many years-- the hanging of a ruthless gunman.

S12·E16 Core

Saturday Night

Jan 7, 1967 · 45 min

A vengeful prisoner poses a continual threat to the life of Marshal Matt Dillon.

S12·E17 Core

Mad Dog

Jan 14, 1967 · 45 min

Festus Haggen is mistaken for a hired gunman and offered $300 to fight, and run out of town, the 3 sons of a man his cousin is accused of killing.

S12·E18 Core

Muley

Jan 21, 1967 · 45 min

A young gunman (Zalman King) falls for one of Kitty's saloon girls (Lane Bradbury) while waiting to kill Marshal Matt Dillon and rob the bank.

S12·E19 Core

Mail Drop

Jan 28, 1967 · 45 min

A boy (Eddie Hodges) comes to Dodge City in search of his father only to learn that he is a wanted criminal.

S12·E20 Core

Old Friend

Feb 4, 1967 · 45 min

An embittered lawman (Fritz Weaver) seeks revenge against the men who destroyed his town and took away his wife.

S12·E21 Core

Fandango

Feb 11, 1967 · 45 min

Matt Dillon tries to bring a man to justice in spite of an onslaught of an crazed vengeful lawman wishing to exact his own revenge.

S12·E22 Core

The Returning

Feb 18, 1967 · 45 min

After eight years as a down-on-his-luck farmer, husband & father, and reformed outlaw (Michael Ansara) tries to make ends meet by rejoinning his old gang to rob the Dodge City frei

S12·E23 Core

The Lure

Feb 25, 1967 · 45 min

Private detectives use Kitty and the daughter (Kim Darby) of an outlaw to trap the girl's fugitive father (Stephen McNally).

S12·E24 Core

Noose of Gold

Mar 4, 1967 · 45 min

Deputy District Attorney Shephard will do anything to further his career, including having outlaw John Farron killed, instead of being able to give himself up.

S12·E25 Core

The Favor

Mar 11, 1967 · 45 min

Kitty's conscience is torn between her sense of obligation to a man (James Daly) who saved her life and her concern for the law and Marshal Matt Dillon.

S12·E26 Core

Mistaken Identity

Mar 18, 1967 · 45 min

Outlaw Ed Carstairs trades identities with a man dying of a snakebite wound, then is suprised when the man is brought into Dodge and seems to be recovering.

S12·E27 Core

Ladies from St. Louis

Mar 25, 1967 · 45 min

A group of Nuns traveling out West nurse the wounds of outlaw Worth Sweeney, who was injured while defending them from his partners.

S12·E28 Mytharc

Nitro! (1)

Apr 8, 1967 · 45 min

Part 1: Down on his luck drifter is offered a dangerous, but profitable job of mixing nitroglycerine for outlaws who are using it to rob banks. George also falls in love with a sa

S12·E29 Mytharc

Nitro! (2)

Apr 15, 1967 · 45 min

Part 2: George wants to quit making the nitro, feeling that his luck is running out, but his outlaw partners won't let him.

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