Sanford and Son - Season 2 Episode 4
Jealousy

Donna, Freds fiancee, brings a patient, Osgood Wilcox over for dinner at the Sanford residence and it becomes apparent that Osgood is interested in more than just medical care from Donna. Meanwhile, Lamont encourages Fred to believe there is something going on between Osgood and Donna resulting in a confrontation.