S4 E1 • A Fragile Possession

Première diffusion : 12 septembre 1972

S4 E2 • Love Is When They Say They Need You

Première diffusion : 19 septembre 1972

S4 E3 • We'll Walk Out of Here Together

Première diffusion : 26 septembre 1972

S4 E4 • In Sickness and In Health

Première diffusion : 3 octobre 1972

S4 E5 • House of Mirrors

Première diffusion : 10 octobre 1972

S4 E6 • He Could Sell Iceboxes To Eskimos

Première diffusion : 17 octobre 1972

S4 E7 • The Wednesday Game

Première diffusion : 24 octobre 1972

S4 E8 • Don and Denise

Première diffusion : 31 octobre 1972

S4 E9 • Please Don't Send Flowers

Première diffusion : 14 novembre 1972

S4 E10 • With A Shout, Not A Whimper

Première diffusion : 21 novembre 1972

S4 E11 • Jason Be Nimble, Jason Be Quick

Première diffusion : 28 novembre 1972

S4 E12 • Unto the Next Generation

Première diffusion : 5 décembre 1972

S4 E13 • 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.

Première diffusion : 12 décembre 1972

S4 E14 • Dinner of Herbs

Première diffusion : 19 décembre 1972

S4 E15 • A More Exciting Case

Première diffusion : 2 janvier 1973

S4 E16 • 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.

Première diffusion : 9 janvier 1973

S4 E17 • Who Are You Arthur Kolinski?

Première diffusion : 16 janvier 1973

S4 E18 • Gemini Descending

Première diffusion : 23 janvier 1973

S4 E19 • The Problem With Charlie

Première diffusion : 30 janvier 1973

S4 E20 • 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.

Première diffusion : 6 février 1973

S4 E21 • 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.

Première diffusion : 13 février 1973

S4 E22 • The Other Martin Loring

Première diffusion : 20 février 1973

S4 E23 • 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.

Première diffusion : 27 février 1973

S4 E24 • The Tortoise Dance

Première diffusion : 6 mars 1973