Sanford 1980 one on netflix: 1x9

Perfect Husband

Evelyn is depressed because she is haunted by the memories of her late husband John. Fred then talks her into talking about him and bringing her memories of him back to life. Fred all of a sudden starts to get a little jealous because she starts talking about him too much. Fred then ends up going home and looking over wedding photos of him and Elizabeth, and after talking to Cal, he goes to Evelyn and says that she needs to let go of him.