an Entity references as follows:
The Mothers-in-Law is an American situation comedy featuring Eve Arden and Kaye Ballard as two women who were friends and next-door neighbors until their children's elopement made them in-laws. The show aired on NBC television from September 1967 to April 1969. Executive produced by Desi Arnaz, the series was created by Bob Carroll, Jr., and Madelyn Davis.