Gunsmoke (1955)

Name: Gunsmoke
Genre: Western
Rating: 8.1
Cast: James Arness, Amanda Blake, Ken Curtis, Milburn Stone, Woody Chambliss

Western

Gunsmoke is an American radio and television Western drama series created by director Norman MacDonnell and writer John Meston. The stories take place in and around Dodge City, Kansas, during the settlement of the American West. The central character is lawman Marshal Matt Dillon, played by William Conrad on radio and James Arness on television.

IMDb rating: 8.1 (10,442 votes)
Episode average: 7.8 -0.3 vs IMDb
Seasons: 20
Streaming (US): Paramount+ · Peacock
Language: EN
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

Browse shows by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Oct 3, 2026 · 20 seasons indexed

Cast

Seasons

Season 1 (1955)

7.75 avg 39 episodes 8.1 → 7.8 30 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Matt Gets It	8.1	649
2	Hot Spell	8.0	443
3	Word of Honor	7.6	375
4	Home Surgery	7.9	389
5	Obie Tater	7.9	375
6	Night Incident	7.0	357
7	Smoking Out the Nolans	7.5	340
8	Kite's Reward	7.8	333
9	The Hunter	7.1	320
10	The Queue	7.8	341
11	General Parsley Smith	7.6	306
12	Magnus	8.1	386
13	Reed Survives	7.8	363
14	Professor Lute Bone	7.4	299
15	No Handcuffs	8.1	291
16	Reward for Matt	8.1	325
17	Robin Hood	7.6	293
18	Yorky	7.7	294
19	20-20	7.4	275
20	Reunion '78	7.7	275
21	Helping Hand	7.2	266
22	Tap Day for Kitty	7.7	305
23	Indian Scout	7.5	280
24	The Pest Hole	7.9	307
25	The Big Broad	7.6	300
26	Hack Prine	8.4	338
27	Cooter	8.4	322
28	The Killer	8.4	349
29	Doc's Revenge	7.8	264
30	The Preacher	7.4	308
31	How to Die for Nothing	7.8	271
32	Dutch George	7.8	269
33	Prairie Happy	7.1	267
34	Chester's Mail Order Bride	7.8	323
35	The Guitar	8.6	357
36	Cara	7.5	261
37	Mr. and Mrs. Amber	7.5	244
38	Unmarked Grave	7.7	304
39	Alarm at Pleasant Valley	7.8	272

Season 2 (1956)

7.77 avg 39 episodes 8.1 → 6.8 30 min avg

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	Cow Doctor	8.1	312
2	Brush at Elkader	7.9	283
3	Custer	7.6	287
4	The Round Up	8.6	358
5	Young Man with a Gun	7.9	265
6	Indian White	7.0	258
7	How to Cure a Friend	7.5	238
8	Legal Revenge	8.1	307
9	The Mistake	7.9	269
10	Greater Love	8.3	303
11	No Indians	8.6	314
12	Spring Term	8.0	259
13	Poor Pearl	7.5	294
14	Cholera	7.6	253
15	Pucket's New Year	7.8	260
16	The Cover Up	7.7	237
17	Sins of the Father	8.2	272
18	Kick Me	8.1	270
19	Executioner	8.1	237
20	Gone Straight	8.5	266
21	Bloody Hands	8.2	291
22	Skid Row	7.7	272
23	Sweet and Sour	7.4	252
24	Cain	7.7	244
25	Bureaucrat	7.5	231
26	Last Fling	7.9	273
27	Chester's Murder	7.5	268
28	The Photographer	7.9	273
29	Wrong Man	7.5	253
30	Big Girl Lost	7.3	252
31	What the Whiskey Drummer Heard	7.5	232
32	Cheap Labor	8.2	266
33	Moon	7.1	227
34	Who Lives by the Sword	8.1	279
35	Uncle Oliver	7.0	241
36	Daddy-O	7.6	261
37	The Man Who Would Be Marshal	7.5	237
38	Liar from Blackhawk	7.7	243
39	Jealousy	6.8	242

Season 3 (1957)

7.80 avg 39 episodes 8.2 → 7.6 30 min avg

Rollercoaster

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	Crack-Up	8.2	281
2	Gun for Chester	8.0	274
3	Blood Money	7.8	257
4	Kitty's Outlaw	7.7	244
5	Potato Road	7.9	280
6	Jesse	7.5	240
7	Mavis McCloud	7.8	255
8	Born to Hang	7.6	222
9	Romeo	7.5	234
10	Never Pester Chester	8.4	322
11	Fingered	7.5	244
12	How to Kill a Woman	8.1	262
13	Cows and Cribs	7.9	239
14	Doc's Reward	8.5	290
15	Kitty Lost	7.6	257
16	Twelfth Night	7.5	261
17	Joe Phy	7.9	268
18	Buffalo Man	8.0	272
19	Kitty Caught	7.6	246
20	Claustrophobia	7.7	235
21	Ma Tennis	7.7	267
22	Sunday Supplement	6.9	235
23	Wild West	7.8	249
24	The Cabin	8.8	387
25	Dirt	7.6	272
26	Dooley Surrenders	7.7	250
27	Joke's on Us	8.0	240
28	Bottleman	8.0	256
29	Laughing Gas	7.4	227
30	Texas Cowboys	7.9	243
31	Amy's Good Deed	7.7	237
32	Hanging Man	7.5	223
33	Innocent Broad	7.7	242
34	The Big Con	7.8	244
35	Widow's Mite	7.5	224
36	Chester's Hanging	8.0	228
37	Carmen	7.3	239
38	Overland Express	8.5	271
39	The Gentleman	7.6	236

Season 4 (1958)

7.75 avg 39 episodes 7.9 → 7.7 30 min avg

Season 4 episodes - IMDb ratings
#	Title	Rating	Votes
1	Matt for Murder	7.9	252
2	The Patsy	7.7	241
3	Gunsmuggler	7.7	226
4	Monopoly	8.0	238
5	Letter of the Law	8.0	246
6	Thoroughbreds	7.6	238
7	Stage Hold-Up	7.7	235
8	Lost Rifle	8.2	286
9	Land Deal	7.7	242
10	Lynching Man	7.3	224
11	How to Kill a Friend	7.9	242
12	Grass	8.1	236
13	The Cast	7.7	228
14	Robber Bridegroom	7.6	242
15	Snakebite	7.9	238
16	Gypsum Hills Feud	7.2	241
17	Young Love	7.2	211
18	Marshal Proudfoot	7.6	242
19	Passive Resistance	7.5	224
20	Love of a Good Woman	7.5	229
21	Jayhawkers	8.3	280
22	Kitty's Rebellion	7.8	259
23	Sky	7.5	237
24	Doc Quits	7.6	227
25	The Bear	7.6	230
26	The Coward	7.2	208
27	The F.U.	7.4	246
28	Wind	7.5	244
29	Fawn	8.2	268
30	Renegade White	7.9	222
31	Murder Warrant	7.8	223
32	Change of Heart	7.8	244
33	Buffalo Hunter	7.6	232
34	The Choice	7.9	240
35	There Was Never a Horse	8.3	265
36	Print Asper	7.6	239
37	The Constable	8.1	227
38	Blue Horse	8.6	257
39	Cheyennes	7.7	207

Season 5 (1959)

7.78 avg 39 episodes 7.5 → 7.6 30 min avg

Rollercoaster

Season 5 episodes - IMDb ratings
#	Title	Rating	Votes
1	Target	7.5	249
2	Kitty's Injury	7.7	241
3	Horse Deal	8.0	229
4	Johnny Red	8.0	249
5	Tail to the Wind	8.6	293
6	Annie Oakley	7.6	234
7	Kangaroo	7.7	254
8	Saludos	8.2	250
9	Brother Whelp	7.7	239
10	The Boots	7.6	228
11	Odd Man Out	8.2	242
12	Miguel's Daughter	7.0	230
13	Box O' Rocks	7.6	227
14	False Witness	8.2	245
15	Tag, You're It	7.8	224
16	Thick 'N' Thin	7.9	237
17	Groat's Grudge	7.3	222
18	Big Tom	8.1	238
19	Till Death Do Us	8.0	232
20	The Tragedian	7.7	226
21	Hinka Do	7.4	232
22	Doc Judge	8.6	264
23	Moo Moo Raid	7.8	225
24	Kitty's Killing	7.7	234
25	Jailbait Janet	7.3	239
26	Unwanted Deputy	7.3	226
27	Where'd They Go	8.6	316
28	Crowbait Bob	8.4	252
29	Colleen So Green	7.7	254
30	The Ex-Urbanites	8.5	280
31	I Thee Wed	7.8	236
32	The Lady Killer	7.4	219
33	Gentleman's Disagreement	7.6	202
34	Speak Me Fair	7.8	224
35	Belle's Back	7.3	210
36	The Bobsy Twins	7.3	267
37	Old Flame	7.4	225
38	The Deserter	7.6	206
39	Cherry Red	7.6	215

Season 6 (1960)

7.78 avg 38 episodes 7.6 → 7.8 30 min avg

Rebound

Season 6 episodes - IMDb ratings
#	Title	Rating	Votes
1	Friend's Pay-Off	7.6	203
2	The Blacksmith	8.3	258
3	Small Water	8.1	232
4	Say Uncle	7.9	247
5	Shooting Stopover	8.0	234
6	The Peace Officer	7.9	248
7	Don Matteo	7.4	231
8	The Worm	7.7	220
9	The Badge	7.5	219
10	Distant Drummer	7.3	235
11	Ben Tolliver's Stud	7.6	220
12	No Chip	8.0	230
13	The Wake	7.9	219
14	The Cook	8.1	232
15	Old Fool	8.2	260
16	Brother Love	7.7	223
17	Bad Sheriff	7.7	206
18	Unloaded Gun	8.0	238
19	Tall Trapper	7.9	238
20	Love Thy Neighbor	8.2	239
21	Bad Seed	7.5	256
22	Kitty Shot	7.8	242
23	About Chester	7.9	239
24	Harriet	7.8	239
25	Potshot	7.1	210
26	Old Faces	7.4	211
27	Big Man	7.8	214
28	Little Girl	8.0	273
29	Stolen Horses	8.0	185
30	Minnie	7.9	207
31	Bless Me Till I Die	7.8	186
32	Long Hours, Short Pay	7.5	184
33	Hard Virtue	7.5	182
34	The Imposter	7.8	183
35	Chester's Dilemma	7.8	195
36	The Love of Money	7.7	200
37	Melinda Miles	7.6	183
38	Colorado Sheriff	7.8	178

Season 7 (1961)

7.90 avg 34 episodes 8.2 → 7.6 60 min avg

Season 7 episodes - IMDb ratings
#	Title	Rating	Votes
1	Perce	8.2	344
2	Old Yellow Boots	8.2	323
3	Miss Kitty	8.1	319
4	Harpe's Blood	7.5	273
5	All That	8.2	313
6	Long, Long Trail	8.7	427
7	The Squaw	7.9	299
8	Chesterland	8.3	331
9	Milly	7.6	314
10	Indian Ford	7.6	272
11	Apprentice Doc	8.6	301
12	Nina's Revenge	8.5	342
13	Marry Me	7.6	301
14	A Man a Day	8.2	292
15	The Do-Badder	7.3	245
16	Lacey	7.4	256
17	Cody's Code	7.7	245
18	Old Dan	8.0	263
19	Catawomper	6.4	281
20	Half Straight	7.6	244
21	He Learned About Women	8.3	304
22	The Gallows	9.2	475
23	Reprisal	7.6	255
24	Coventry	8.3	300
25	The Widow	7.7	269
26	Durham Bull	8.6	286
27	Wagon Girls	8.1	310
28	The Dealer	7.8	284
29	The Summons	7.5	259
30	The Dreamers	7.3	228
31	Cale	8.0	292
32	Chester's Indian	7.5	253
33	The Prisoner	7.4	239
34	The Boys	7.6	229

Season 8 (1962)

7.98 avg 38 episodes 7.8 → 8.8 59 min avg

Season 8 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Search	7.8	280
2	Call Me Dodie	8.2	307
3	Quint Asper Comes Home	8.5	323
4	Root Down	6.9	262
5	Jenny	7.7	257
6	Collie's Free	7.8	250
7	The Ditch	7.7	243
8	The Trappers	8.3	249
9	Phoebe Strunk	7.7	297
10	The Hunger	8.7	317
11	Abe Blocker	8.0	284
12	The Way It Is	8.2	282
13	Us Haggens	8.6	354
14	Uncle Sunday	7.7	248
15	False Front	7.9	229
16	Old Comrade	7.1	235
17	Louie Pheeters	8.0	244
18	The Renegades	8.7	285
19	Cotter's Girl	8.7	365
20	The Bad One	7.4	235
21	The Cousin	7.6	248
22	Shona	8.0	240
23	Ash	8.3	291
24	Blind Man's Bluff	8.3	275
25	Quint's Indian	7.6	231
26	Anybody Can Kill a Marshal	8.1	281
27	Two of a Kind	7.5	214
28	I Call Him Wonder	8.4	274
29	With a Smile	9.0	405
30	The Far Places	7.4	245
31	Panacea Sykes	7.0	230
32	Tell Chester	8.1	245
33	Quint-Cident	7.9	267
34	Old York	8.3	248
35	Daddy Went Away	7.6	252
36	The Odyssey of Jubal Tanner	8.2	269
37	Jeb	7.7	238
38	The Quest for Asa Janin	8.8	288

Season 9 (1963)

8.00 avg 36 episodes 8.8 → 7.6 60 min avg

Rollercoaster

Season 9 episodes - IMDb ratings
#	Title	Rating	Votes
1	Kate Heller	8.8	313
2	Lover Boy	8.1	320
3	Legends Don't Sleep	8.3	271
4	Tobe	8.1	247
5	Easy Come	7.7	253
6	My Sister's Keeper	6.8	239
7	Quint's Trail	7.8	255
8	Carter Caper	8.3	274
9	Ex-Con	7.7	221
10	Extradition: Part 1	8.0	244
11	Extradition: Part 2	8.1	227
12	The Magician	8.6	289
13	Pa Hack's Brood	7.2	260
14	The Glory and the Mud	8.2	263
15	Dry Well	7.4	259
16	Prairie Wolfer	8.7	323
17	Friend	8.1	258
18	Once a Haggen	8.6	282
19	No Hands	8.5	292
20	Mayblossom	7.9	309
21	The Bassops	7.7	238
22	The Kite	8.3	273
23	Comanches Is Soft	8.0	335
24	Father's Love	7.9	252
25	Now That April's Here	8.2	233
26	Caleb	9.1	367
27	Owney Tupper Had a Daughter	8.3	298
28	Bently	8.6	291
29	Kitty Cornered	7.9	266
30	The Promoter	7.7	247
31	Trip West	7.7	234
32	Scot Free	7.5	221
33	The Warden	7.6	236
34	Homecoming	7.8	244
35	The Other Half	7.1	234
36	Journey for Three	7.6	243

Season 10 (1964)

7.89 avg 36 episodes 8.4 → 7.9 60 min avg

Rollercoaster

Season 10 episodes - IMDb ratings
#	Title	Rating	Votes
1	Blue Heaven	8.4	305
2	Crooked Mile	8.6	290
3	Old Man	8.1	272
4	The Violators	8.2	245
5	Doctor's Wife	8.4	258
6	Take Her, She's Cheap	7.9	266
7	Help Me, Kitty	7.8	235
8	Hung High	8.7	335
9	Jonah Hutchinson	7.7	233
10	Big Man, Big Target	7.8	223
11	Chicken	8.7	257
12	Innocence	8.5	263
13	Aunt Thede	8.1	292
14	Hammerhead	8.1	241
15	Double Entry	7.5	218
16	Run, Sheep, Run	7.4	222
17	Deputy Festus	8.2	228
18	One Killer on Ice	8.2	280
19	Chief Joseph	8.4	232
20	Circus Trick	7.7	217
21	Song for Dying	7.7	272
22	Winner Take All	7.7	202
23	Eliab's Aim	7.9	258
24	Thursday's Child	8.1	252
25	Breckinridge	7.1	217
26	Bank Baby	6.8	229
27	The Lady	8.5	312
28	Dry Road to Nowhere	7.6	219
29	Twenty Miles from Dodge	7.9	254
30	The Pariah	7.5	210
31	Gilt Guilt	7.7	211
32	Bad Lady from Brookline	5.6	308
33	Two Tall Men	7.7	216
34	Honey Pot	8.0	246
35	The New Society	8.1	242
36	He Who Steals	7.9	201

Season 11 (1965)

8.03 avg 32 episodes 9.0 → 8.3 60 min avg

Rollercoaster

Season 11 episodes - IMDb ratings
#	Title	Rating	Votes
1	Seven Hours to Dawn	9.0	386
2	The Storm	8.1	253
3	Clayton Thaddeus Greenwood	8.0	247
4	Ten Little Indians	8.6	281
5	Taps for Old Jeb	7.6	222
6	Kioga	7.8	228
7	The Bounty Hunter	8.7	259
8	The Reward	7.9	211
9	Malachi	7.2	219
10	The Pretender	7.8	241
11	South Wind	8.1	234
12	The Hostage	8.2	252
13	Outlaw's Woman	8.1	240
14	The Avengers	8.3	253
15	Gold Mine	6.9	235
16	Death Watch	8.0	200
17	Sweet Billy, Singer of Songs	6.7	242
18	The Raid: Part 1	8.8	282
19	The Raid: Part 2	8.7	249
20	Killer at Large	8.4	268
21	My Father's Guitar	7.3	230
22	Wishbone	8.8	261
23	Sanctuary	7.7	212
24	Honor Before Justice	7.2	218
25	The Brothers	7.8	223
26	Which Dr.	8.2	251
27	Harvest	7.8	216
28	By Line	7.4	199
29	Treasure of John Walking Fox	8.6	257
30	My Father, My Son	8.5	253
31	Parson Comes to Town	8.5	226
32	Prime of Life	8.3	226

Season 12 (1966)

7.90 avg 29 episodes 8.3 → 8.0 59 min avg

Rollercoaster

Season 12 episodes - IMDb ratings
#	Title	Rating	Votes
1	Snap Decision	8.3	273
2	The Goldtakers	7.6	250
3	The Jailer	8.8	734
4	The Mission	7.9	228
5	The Good People	8.3	225
6	Gunfighter, R.I.P	8.7	327
7	The Wrong Man	7.4	220
8	The Whispering Tree	8.0	254
9	The Well	7.8	231
10	Stage Stop	8.1	253
11	The Newcomers	7.7	219
12	Quaker Girl	7.4	237
13	The Moonstone	7.8	234
14	Champion of the World	6.7	218
15	The Hanging	7.7	211
16	Saturday Night	8.1	216
17	Mad Dog	7.8	225
18	Muley	7.8	234
19	Mail Drop	7.2	196
20	Old Friend	7.7	208
21	Fandango	8.1	247
22	The Returning	8.1	220
23	The Lure	7.9	203
24	Noose of Gold	8.0	206
25	The Favor	8.3	214
26	Mistaken Identity	7.9	215
27	Ladies from St. Louis	8.1	233
28	Nitro! Part 1	7.9	241
29	Nitro! Part 2	8.0	233

Season 13 (1967)

7.82 avg 25 episodes 8.4 → 7.5 60 min avg

Rollercoaster

Season 13 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Wreckers	8.4	249
2	Cattle Barons	7.5	191
3	The Prodigal	8.3	231
4	Vengeance!: Part I	8.4	290
5	Vengeance!: Part II	8.2	254
6	A Hat	8.6	261
7	Hard-Luck Henry	6.4	215
8	Major Glory	7.9	210
9	The Pillagers	8.1	227
10	Prairie Wolfer	7.9	220
11	Stranger in Town	7.8	224
12	Death Train	7.6	223
13	Rope Fever	8.1	213
14	Wonder	6.8	222
15	Baker's Dozen	8.2	260
16	The Victim	7.5	216
17	Dead Man's Law	8.3	202
18	Nowhere to Run	8.0	224
19	Blood Money	7.7	216
20	Hill Girl	7.6	220
21	The Gunrunners	7.6	193
22	The Jackals	7.8	193
23	The First People	7.6	187
24	Mr. Sam'l	7.7	197
25	A Noose for Dobie Price	7.5	189

Season 14 (1968)

7.82 avg 26 episodes 8.2 → 7.7 60 min avg

Rollercoaster

Season 14 episodes - IMDb ratings
#	Title	Rating	Votes
1	Lyle's Kid	8.2	231
2	The Hidecutters	7.5	193
3	Zavala	8.8	297
4	Uncle Finney	7.2	210
5	Slocum	8.2	221
6	O'Quillian	6.2	198
7	9:12 to Dodge	8.2	236
8	Abelia	8.3	246
9	Railroad!	7.7	196
10	The Miracle Man	7.4	211
11	Waco	7.9	229
12	Lobo	7.7	195
13	Johnny Cross	7.7	178
14	The Money Store	7.8	209
15	Twisted Heritage	7.6	203
16	Time of the Jackals	7.7	197
17	Mannon	8.8	346
18	Goldtown	6.8	181
19	The Mark of Cain	7.8	210
20	Reprisal	7.9	210
21	The Long Night	8.4	230
22	The Nightriders	7.8	190
23	The Intruder	7.8	195
24	The Good Samaritans	8.0	235
25	The Prisoner	8.2	212
26	Exodus 21.22	7.7	184

Season 15 (1969)

7.75 avg 26 episodes 8.1 → 7.1 60 min avg

Rollercoaster

Season 15 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Devil's Outpost	8.1	215
2	Stryker	8.2	221
3	Coreyville	7.5	216
4	Danny	7.7	198
5	Hawk	8.2	269
6	A Man Called 'Smith'	8.0	207
7	Charlie Noon	8.6	269
8	The Still	7.2	184
9	A Matter of Honor	8.7	248
10	The Innocent	7.6	191
11	Ring of Darkness	7.7	189
12	MacGraw	8.4	220
13	Roots of Fear	7.5	202
14	The Sisters	7.4	190
15	The War Priest	7.3	189
16	The Pack Rat	6.9	196
17	The Judas Gun	7.4	186
18	Doctor Herman Schultz M.D.	6.7	188
19	The Badge	8.4	242
20	Albert	7.6	193
21	Kiowa	8.2	208
22	Celia	7.6	182
23	Morgan	8.2	231
24	The Thieves	8.0	179
25	Hackett	7.2	199
26	The Cage	7.1	167

Season 16 (1970)

7.69 avg 24 episodes 8.0 → 8.6 60 min avg

Season 16 episodes - IMDb ratings
#	Title	Rating	Votes
1	Chato	8.0	235
2	The Noose	7.7	246
3	Stark	7.9	223
4	Sam McTavish M.D.	9.0	316
5	Gentry's Law	8.1	214
6	Snow Train: Part 1	8.1	256
7	Snow Train: Part 2	8.2	240
8	Luke	8.0	195
9	The Gun	7.4	190
10	The Scavengers	7.7	192
11	The Witness	8.2	208
12	McCabe	7.5	185
13	The Noonday Devil	7.6	190
14	Sergeant Holly	6.9	181
15	Jenny	7.3	188
16	Captain Sligo	6.3	226
17	Mirage	7.9	177
18	The Tycoon	6.8	184
19	Jaekel	6.9	189
20	Murdoch	7.9	200
21	Cleavus	6.6	175
22	Lavery	7.4	176
23	Pike: Part 1	8.5	254
24	Pike: Part 2	8.6	214

Season 17 (1971)

8.01 avg 24 episodes 8.0 → 7.8 60 min avg

Season 17 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Lost	8.0	255
2	Phoenix	8.0	195
3	Waste: Part 1	7.9	200
4	Waste: Part 2	8.1	189
5	New Doctor in Town	7.7	220
6	The Legend	7.2	192
7	Trafton	8.2	239
8	Lynott	7.3	199
9	Lijah	8.5	230
10	My Brother's Keeper	7.8	210
11	Drago	8.8	242
12	Gold Train: The Bullet: Part 1	8.4	258
13	Gold Train: The Bullet: Part 2	8.5	224
14	Gold Train: The Bullet: Part 3	8.7	235
15	P.S. Murry Christmas	8.6	318
16	No Tomorrow	7.9	182
17	Hidalgo	7.7	181
18	Tara	7.5	193
19	One for the Road	7.5	204
20	The Predators	7.9	190
21	Yankton	8.1	231
22	Blind Man's Buff	7.6	169
23	Alias Festus Haggen	8.5	231
24	The Wedding	7.8	217

Season 18 (1972)

7.92 avg 24 episodes 8.3 → 7.4 60 min avg

Rollercoaster

Season 18 episodes - IMDb ratings
#	Title	Rating	Votes
1	The River: Part 1	8.3	258
2	The River: Part 2	8.2	229
3	Bohannan	8.4	236
4	The Judgment	7.6	204
5	The Drummer	8.2	221
6	Sarah	7.9	190
7	The Fugitives	8.1	181
8	Eleven Dollars	8.4	222
9	Milligan	7.9	198
10	Tatum	7.4	203
11	The Sodbusters	7.7	240
12	The Brothers	8.2	187
13	Hostage!	8.5	289
14	Jubilee	7.2	173
15	Arizona Midnight	6.8	213
16	Homecoming	7.3	156
17	Shadler	7.8	185
18	Patricia	8.5	267
19	A Quiet Day in Dodge	8.2	252
20	Whelan's Men	8.2	258
21	Kimbro	7.9	192
22	Jesse	7.8	194
23	Talbot	8.2	232
24	This Golden Land	7.4	219

Season 19 (1973)

7.90 avg 24 episodes 8.0 → 8.1 60 min avg

Rollercoaster

Season 19 episodes - IMDb ratings
#	Title	Rating	Votes
1	Women for Sale: Part 1	8.0	217
2	Women for Sale: Part 2	7.8	190
3	Matt's Love Story	8.8	366
4	The Boy and the Sinner	7.6	183
5	The Widowmaker	9.0	297
6	Kitty's Love Affair	7.6	191
7	The Widow and the Rogue	8.2	204
8	A Game of Death... An Act of Love: Part 1	8.2	207
9	A Game of Death... An Act of Love: Part 2	8.3	213
10	Lynch Town	7.8	177
11	The Hanging of Newly O'Brien	8.1	188
12	Susan Was Evil	7.7	193
13	The Deadly Innocent	8.3	192
14	The Child Between	6.7	166
15	A Family of Killers	7.4	174
16	Like Old Times	8.0	174
17	The Town Tamers	7.8	180
18	The Foundling	7.8	190
19	The Iron Blood of Courage	8.1	172
20	The Schoolmarm	7.7	194
21	Trail of Bloodshed	7.7	196
22	Cowtown Hustler	8.1	174
23	To Ride a Yeller Horse	6.8	171
24	The Disciple	8.1	216

Season 20 (1974)

7.91 avg 24 episodes 8.2 → 7.1 60 min avg

Season 20 episodes - IMDb ratings
#	Title	Rating	Votes
1	Matt Dillon Must Die	8.2	228
2	Town in Chains	7.6	169
3	The Guns of Cibola Blanca: Part 1	7.7	184
4	The Guns of Cibola Blanca: Part 2	7.9	178
5	Thirty a Month and Found	8.4	211
6	The Wiving	6.4	233
7	The Iron Men	8.1	197
8	The Fourth Victim	8.6	234
9	The Tarnished Badge	8.5	234
10	In Performance of Duty	8.7	195
11	Island in the Desert: Part 1	8.8	234
12	Island in the Desert: Part 2	8.9	218
13	The Colonel	8.0	196
14	The Squaw	8.5	222
15	The Hiders	7.9	162
16	Larkin	8.0	198
17	The Fires of Ignorance	8.2	217
18	The Angry Land	8.3	193
19	Brides and Grooms	5.4	211
20	Hard Labor	7.7	190
21	I Have Promises to Keep	8.3	203
22	The Busters	8.6	226
23	Manolo	6.0	195
24	The Sharecroppers	7.1	229