Here's what will be airing on INSP on Martin Luther King Day, all times Eastern:

7am-Gunsmoke: "Chester's Dilemma" (S6E35, OAD: May 20, 1961)
7:30am-Gunsmoke: "The Love of Money" (S6E36, OAD: May 27, 1961)
8am-Tales of Wells Fargo: "The Kid" (S2E11, OAD: November 18, 1957)
8:30am-Tales of Wells Fargo: "The Barbary Coast" (S2E12, OAD: November 25, 1957)
9am-The Big Valley: "Image of Yesterday" (S2E17, OAD: January 9, 1967)
10am-Laramie: "Naked Steel" (S4E13, OAD: January 1, 1963)
11am-Cheyenne: "Duel at Judas Basin" (S5E7, OAD: January 30, 1961)
12pm-The Rifleman: "Shivaree" (S1E19, OAD: February 3, 1959)
12:30pm-The Rifleman: "The Deadeye Kid" (S1E20, OAD: February 10, 1959)
1pm-The High Chaparral: "The Assassins" (S1E17, OAD: January 7, 1968)
2pm-Wagon Train: "The Prairie Story" (S4E19, OAD: February 1, 1961)
3pm-Wagon Train: "The Joe Muharich Story" (S4E29, OAD: April 19, 1961)
4pm-Gunsmoke: "Ten Little Indians" (S11E4, OAD: October 9, 1965)
5pm-Laramie: "Trapped" (S4E31, OAD: May 14, 1963)
6pm-Cheyenne: "Noose at Noon" (S3E19, OAD: June 3, 1958)
7pm-Gunsmoke: "Big Man" (S6E27, OAD: March 25, 1961)
7:30pm-Gunsmoke: "Little Girl" (S6E28, OAD: April 1, 1961)
8pm-Gunsmoke: "Stolen Horses" (S6E29, OAD: April 8, 1961)
8:30pm-Gunsmoke: "Minnie" (S6E30, OAD: April 15, 1961)
9pm-Gunsmoke: "Quint's Indian" (S8E25, OAD: March 2, 1963)
10pm-Gunsmoke: "Anybody Can Kill a Marshal" (S8E26, OAD: March 9, 1963)
11pm-Wagon Train: "The Artie Matthewson Story" (S5E7, OAD: November 8, 1961)
12am-The Virginian: "The Outcast" (S5E7, OAD: October 26, 1968)
1:30am-The Rifleman: "The Wyoming Story: Part 1" (S3E20, OAD: February 7, 1961)
2am-Tales of Wells Fargo: "Kid Curry" (S3E35, OAD: May 11, 1959)
2:30am-Tales of Wells Fargo: "The Little Man" (S3E36, OAD: May 18, 1959)
3am-Laramie: "Rope of Steel" (S1E22, OAD: February 16, 1960)