George and Mildred (1976)

S01E09 My Husband Next Door

With the Fourmiles out of town, George and Mildred see the perfect opportunity to hire decorators for a home makeover. However, a mix-up leads the interior design team to mistakenly renovate the Fourmiles' residence instead of theirs. As the couple returns to find their home transformed, hilarity ensues as George and Mildred scramble to fix the blunder while navigating the surprising changes made to their neighbors' house.