Sanford and Son (1972)

S04E20 My Brother-in-Law's Keeper

Title: My Brother-in-Law's Keeper Plot: Fred meticulously tidies up their home, leaving Lamont astonished by the transformation. The surprise is soon revealed: Fred's younger sister, Frances, is coming over to share the news of her engagement. While Fred is thrilled about the news, he quickly realizes that Frances's fiancé, Rodney, is white, leading to unexpected feelings and reactions.