Season 4 Episodes
1. A Fragile Possession
2. Love Is When They Say They Need You
3. We'll Walk Out of Here Together
4. In Sickness and In Health
5. House of Mirrors
6. He Could Sell Iceboxes To Eskimos
7. The Wednesday Game
8. Don and Denise
9. Please Don't Send Flowers
10. With A Shout, Not A Whimper
11. Jason Be Nimble, Jason Be Quick
12. Unto the Next Generation
13. Heartbeat For Yesterday
Dr. Welby, called by flying physician Jerome Billings, an orthopedic surgeon, for help finds young Carlos in a diabetic coma. Carlos' grandfather, Charlie, convinced his grandson will die, objects to Welby's treating him but accompanies Carlos when Welby insists on flying the ailing youth to a hospital. Weather forces the plane into an emergency landing in which Charlie is injured, giving Welby two emergencies to handle.
14. Dinner of Herbs
15. A More Exciting Case
16. A Necessary End
When Julie Langley Kirk's illness is diagnosed by Dr. Welby as serious heart damage, she refuses to accept it at first. Convinced finally by Dr. Welby that she must continue her work, she works on, with the help of her assistant, Greta, finishing a moving photographic essay on the end of life.
17. Who Are You Arthur Kolinski?
18. Gemini Descending
19. The Problem With Charlie
20. Catch A Ring That Isn't There
When 17-year-old gymnastic champion Rickie Manning falls off the rings in gym, he is examined by Dr. Kiley who suspects the boy has been drinking. He and Dr. Welby want the boy to get help from a group at Comeback House. Richie's parents resist at first, but come to face the fact they have helped create their son's problems by pressures on him following the death of their other son.
21. The Working Heart
Laura Daniels develops a serious heart problem as the result of rheumatic fever. Although she accepts Dr. Welby's order to give up her TV interview show, she is convinced that her husband Paul loves her only as a successful career woman. She returns to work, getting pills from her assistant, Jan, and these, combined with liquor, cause her to collapse, making heart surgery mandatory.
22. The Other Martin Loring
"The Other Martin Loring" is a 1973 episode of Marcus Welby, M.D., an American medical drama that aired on ABC. It tells the story of a middle-aged man facing several health issues, which seem to stem from his repression of his homosexuality. The episode aired on February 20, 1973, and was met with concern and protests from LGBT rights activists for its equating of homosexuality and illness.
23. The Day After Forever
Troubled by his wife's relationship with a charming young political candidate, a successful architect-builder turns to tranquilizers and is seriously injured at a construction site.