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.

An average television repairman must care for the newborn triplets of his former hometown sweetheart—now a famous movie star—so her career will not suffer.