I Love Lucy (1951)

S2E6 Vacation from Marriage

The Ricardos and the Mertzes decide to take a break from their monotonous marriages for a week. However, as time passes, they find themselves missing their partners more than expected. In a bid to stir up jealousy, each couple tries to make the other envious, but ultimately, they come to the realization that they prefer the comfort of their routines with their spouses over the uncertainty of being apart.