Sanford 1980 one on netflix: 1x13

Cal's Diet (2)

Fred, Rollo, and Cliff take Cal to a singles bar where he meets a meter maid. Cal and the lady date, but the woman ends up not really liking Cal because he is so fat. She tells Fred that that is the reason why she won’t go out with him anymore. After that, Fred sticks up for Cal and when he breaks the news to him about the girl, it’s back to the refrigerator for him.