Pearl comes to visit. She tells the family that Jethrine didn't marry the local undertaker. Jethrine eloped with Jasper Depew. Jethro needs a health certificate to graduate from the fifth grade. He goes to the only doctor the Clampetts know about - Mrs. Drysdale's psychiatrist, Dr. Eugene Twombly. While talking to Twombly, Jethro falls asleep on the couch. The psychiatrist may have bitten off more than he can chew when he starts treating Jethro. Jethro returns home and says that all Twombly talked about was Jethro's mother. He would like to meet Pearl right away. Pearl would like to hook up with a wealthy Beverly Hills man. Pearl gets all dressed up and goes to see Twombly. She is a little surprised when Twombly closes the curtains and dims the office lights. She thinks he is testing her virtue when he tries to lay her on his couch. Pearl leaves. Later, Jed comes by to see Twombly and tells him he's upset that he made advances toward Pearl. Twombly tries to explain that he's a psychiatrist. Twombly comes to the mansion to apologize for the misunderstanding. Granny questions his doctoring skills. More confusing things happen and Twombly leaves.