Florence MacMichael

The Mothers-in-Law is an American sitcom starring Eve Arden and Kaye Ballard as two matriarchs who were friends and next-door neighbors whose children's elopement rendered them in-laws. The show aired on NBC from September 1967 to April 1969. Produced by Desi Arnaz, the series was created by Bob Carroll, Jr., and Madelyn Davis.

Wilbur Post and his wife Carol move into a beautiful new home. When Wilbur takes a look in his new barn, he finds that the former owner left his horse behind. This horse is no ordinary horse . . . he can talk, but only to Wilbur, which leads to all sorts of misadventures for Wilbur and his trouble-making sidekick Mister Ed.