Catherine's Town Catherine's Town Catherine's Town was a Seneca village, ("Queanettquaga," or "Sheoquago") named informally for a prominent Seneca woman, Catherine Montour. It was located at the south end of Seneca Lake, near present-day Watkins Glen (and the towns of Catharine, Montour, and Montour Falls, all named for Catherine Montour) in what is now Schuyler County, New York. The Seneca leader Red Jacket was said to have practiced his speeches at Shequaga Falls, located nearby in the present-day Town of Montour Falls. According to "Historical Sketch of the Chemung Valley, Etc..," he was also buried there. Catherine's Town was destroyed by the
A Town Called Mercy called the Gunslinger. However, the Gunslinger is a product of experiments by Jex to win a civil war on his planet, and the Doctor is unsure of what is the right thing to do. Showrunner Steven Moffat pitched the Wild West theme to Whithouse when thinking of ways to give each episode a distinct theme. Whithouse further developed the theme, including classic Western tropes and a sympathetic villain. "A Town Called Mercy" and the previous episode "Dinosaurs on a Spaceship" were the first to enter production for the seventh series. Much of the episode was filmed in March 2012 in