The Brady Bunch (1969)

S4E21 You're Never Too Old

In this episode, Robert Reed takes on the role of Grandpa Brady while Florence Henderson plays Grandma Hutchins. The Brady kids decide to play matchmakers, hoping to pair up Grandpa Brady and Grandma Hutchins. However, their plans hit a snag when a heated argument breaks out between the two during a romantic dinner, jeopardizing their matchmaking efforts.