S4·E21 You're Never Too Old
Aired March 9, 1973
Synopsis
Both Robert Reed puts in double duty as Grandpa Brady as does Florence Henderson when she portrays Grandma Hutchins in an episode where the Brady kids play matchmakers and try to get Grandpa Brady and Grandma Hutchins together. However, their efforts may all be for naught when an argument erupts between Grandma and Grandpa during a romantic dinner.