Here's what will be airing on INSP on Memorial Day, all times Eastern:

7am-Gunsmoke: "Friend" (S9E17, OAD: January 25, 1964)
8am-Tales of Wells Fargo: "Hometown Doctor" (S6E21, OAD: February 17, 1962)
9am-The Big Valley: "Winner Lose All" (S1E7, OAD: October 27, 1965)
10am-Laramie: "The Accusers" (S3E8, OAD: November 14, 1961)
11am-Cheyenne: "Trial by Conscience" (S4E4, OAD: October 26, 1959)
12pm-The Rifleman: "Duel of Honor" (S1E7, OAD: November 11, 1958)
12:30pm-The Rifleman: "The Safe Guard" (S1E8, OAD: November 18, 1958)
1pm-Maverick: "Escape to Tampico" (S2E6, OAD: October 26, 1958)
2pm-Wagon Train: "The Charles Avery Story" (S1E9, OAD: November 13, 1957)
3pm-Wagon Train: "The Mary Halstead Story" (S1E10, OAD: November 20, 1957)
4pm-Gunsmoke: "Stage Hold-Up" (S4E7, OAD: October 25, 1958)
4:30pm-Gunsmoke: "Lost Rifle" (S4E8, OAD: November 1, 1958)
5pm-Laramie: "Trial by Fire" (S3E27, OAD: April 10, 1962)
6pm-Cheyenne: "The Mutton Puncher" (S3E3, OAD: October 22, 1957)
7pm-Have Gun - Will Travel: "The Legacy" (S4E13, OAD: December 10, 1960)
7:30pm-Have Gun - Will Travel: "The Prisoner" (S4E14, OAD: December 17, 1960)
8pm-Gunsmoke: "Chester's Murder" (S2E27, OAD: March 30, 1957)
8:30pm-Gunsmoke: "The Photographer" (S2E28, OAD: April 6, 1957)
9pm-Gunsmoke: "Time of the Jackals" (S14E16, OAD: January 13, 1969)
10pm-Gunsmoke: "Mannon" (S14E17, OAD: January 20, 1969)
11pm-Wagon Train: "The Michael Malone Story" (S7E16, OAD: January 6, 1964)
12:30am-The Virginian: "The Substitute" (S8E8, OAD: November 5, 1969)
2am-Tales of Wells Fargo: "Hoss Tamer" (S2E20, OAD: January 20, 1958)
2:30am-Tales of Wells Fargo: "Hide Jumpers" (S2E21, OAD: January 27, 1958)
3am-Daniel Boone: "The Reunion" (S1E22, OAD: March 11, 1965)