Got it- It was the Circle of Time episode which aired Oct. 8, 1969. Bronson ends up in a ghost town whose sole resident is Hattie Calder (Elsa Lanchester). She captures Bronson's interest with her tales of surviving the Titanic disaster and her vitality. Hattie has an ongoing quarrel with Abner Hotchman who is secretly looking for a silver vein in the area. Her one remaining wish in life: to be buried next to her husband in a nearby plot. Dabney Coleman also starred. IMDB has all the episodes listed as well.