As of July 2026, Gunsmoke Season 12 aired in 1966 with 29 episodes — streaming now on Paramount Plus Premium. Full episode guide and where to watch below.
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Gunsmoke Season 12

1966 29 Episodes Western · Action & Adventure ⭐ 7/10

Gunsmoke Season 12 has built a real following on and among viewers who want their action grounded in something real. The 1-season run is exactly the right length for what it is doing. With 113 viewer ratings on TMDB, this is not a title flying under the radar. James Arness anchors the chaos with real screen presence. Put it on tonight and see for yourself.

There is a reason Gunsmoke Season 12 keeps coming up in conversation. Gunsmoke Season 12 understands that stakes only matter if you care who is at risk. Season 12 of Gunsmoke includes 29 episodes. It aired from September 1966 to April 1967. This season stars James Arness, Amanda Blake and Ken Curtis. James Arness and Amanda Blake lead a cast that brings real weight to the material. It was aired in 1966. Gunsmoke Season 12 earns its bigger moments by making you care about the outcome before it happens. There is real craft here, even in the moments that do not fully land.

The genre has a long history of front-loading its best moments — Gunsmoke Season 12 is not one of those. It has built its own audience without needing a direct comparison. A contained run means every episode is doing real work. James Arness's performance is the throughline that holds the bigger action elements together. Give it twenty minutes and decide — most viewers do not stop there.

📡 Where to Watch Gunsmoke Season 12

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🇬🇧 United Kingdom
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🎬 Gunsmoke Season 12 — Episode Guide

E1
Snap Decision
1966-09-17
Disturbed over being forced to kill a prisoner who was trying to save his life, Matt Dillion turns in his badge.
E2
The Goldtakers
1966-09-24
A gang of thieves commandeers the Dodge City blacksmith shop to divide a gigantic bar of gold.
E3
The Jailer
1966-10-01
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 of the second day with Kitty watching as her man died.
E4
The Mission
1966-10-08
Marshal Dillon is helped by an apparently friendly young runaway who later faces him as a deadly adversary.
E5
The Good People
1966-10-15
A respectable rancher and his son hang an innocent man and allow a bewhiskered bounty hunter to go on trial for the murder.
E6
Gunfighter, R.I.P.
1966-10-22
A gunfighter (McGavin) hired to murder Matt Dillion gets wounded while trying to save the life of an elderly Chinese man.
E7
The Wrong Man
1966-10-29
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 circumstantially framed for the murder of the card shark who swindled him.
E8
The Whispering Tree
1966-11-12
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.
E9
The Well
1966-11-19
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.
E10
Stage Stop
1966-11-26
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 battle against the bandits.
E11
The Newcomers
1966-12-03
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 of a man who was picking a fight with him.
E12
Quaker Girl
1966-12-10
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.
E13
The Moonstone
1966-12-17
A young farmer's former partner-in-crime, girlfriend and slow-witted brother figure in the discovery of his forgotten past.
E14
Champion of the World
1966-12-24
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.
E15
The Hanging
1966-12-31
To Marshal Matt Dillon and his deputies falls their grimmest task in many years-- the hanging of a ruthless gunman.
E16
Saturday Night
1967-01-07
A vengeful prisoner poses a continual threat to the life of Marshal Matt Dillon.
E17
Mad Dog
1967-01-14
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.
E18
Muley
1967-01-21
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.
E19
Mail Drop
1967-01-28
A boy (Eddie Hodges) comes to Dodge City in search of his father only to learn that he is a wanted criminal.
E20
Old Friend
1967-02-04
An embittered lawman (Fritz Weaver) seeks revenge against the men who destroyed his town and took away his wife.

🎭 Cast of Gunsmoke Season 12

James Arness
James Arness
Marshal Matt Dillon
Amanda Blake
Amanda Blake
Kitty
Ken Curtis
Ken Curtis
Festus
Milburn Stone
Milburn Stone
Doc

📋 All Seasons of Gunsmoke

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