Just as Welby is accepting Paul's engagement to Sandy, the former Mrs. Moran returns and begins suffering a loss of vision.
Welby disapproves of Paul's wish to marry Sandy; an unwed mother miscarries; guests Sam Bottoms, Robert Mandan.
Kiley is accused of making advances to the wife (Tina Louise) of his college roommate (Dick Gautier), a heart-attack victim.
A fast-liver (Scott Thomas) postpones tests to determine if he has asthma because he fears losing his pilot's license.
Welby returns from vacation and helps in the treatment of Kiley's paralyzing stroke.
Welby's fears are confirmed when a colleague, falsely accused of rape, is asked to discontinue his practice.
After being rebuffed by a handsome doctor, Janet's assistant plans to frame the physician on a charge of rape.
A showgirl with an infection hampers Welby and Kiley's diagnosis by failing to tell them she has had silicone breast-implants.
A reformed alcoholic (Kent McCord), a carrier of hepatitis, turns to the bottle after a hepatitis outbreak costs him his job.
After a major operation, Consuelo fears she will not be able to continue as Welby's nurse and considers a marriage proposal.
An obsessed physician violates an unwritten law of medicine by involving herself in the treatment of her father's leukemia.
Welby and a child psychologist try to help an abandoned boy who refuses to speak after being placed with foster parents.
A bride-to-be rejects lifesaving kidney dialysis when she learns how the treatment affects her fiance's feelings toward her.
Heart problems strike Welby's son-in-law soon after he and Welby's daughter (Anne Schedeen) return from South America.
A woman (Denise Nicholas) becomes critical when her seemingly drunken spouse (Lloyd Haynes) fails to take her to the hospital.
A man (Aldo Ray) agrees to controversial brain surgery after his uncontrollable fits of rage cause him to injure his family.
Welby's elation over Kiley and Janet's upcoming wedding is dimmed by his concern for an autistic boy's erratic behavior.
The problems of a boy suffering from complications of a incurable disease cause Janet to become anxious about having children.
A young man fears he must quit law school when his teenage sister has to undergo risky, and expensive, exploratory surgery.
Janet blames herself when a friend of hers institutes a malpractice suit against Welby; guests Peter Brown, Jon Cypher.
Janet's old boyfriend (Jon Cypher) endangers his life during surgery by not revealing a mild stroke he suffered to Welby.
Janet attempts to cope with Kiley's affections and the storm of publicity generated by the iminent birth of quintuplets.
Kiley's new love, hospital public-relations director Janet Blake (Pamela Hensley), is paralyzed after a fall from a horse.
A girl hyperventilates with the constant bickering over her father's (Larry Hagman) compulsive gambling.
Welby, shaken by a friend's death, fights to save the life of a teenage violin virtuoso (Robin Mattson); guest Joanne Dru.
A woman's (Patty Duke Astin) high blood pressure soars when her politician spouse (John Astin) is accused of taking kickbacks.
Two women (Pamela Hensley, Elaine Giftos) who may have breast cancer react differently to the information; guest Michael Conrad.
Kiley becomes surrogate father to a brain-damaged boy (Scott Jacoby) with school and social problems.
A depressed widower (Scott Newman) must give emotional support to a friend (Ben Murphy) who helped him in his time of need.
An amateur tennis player (Lucie Arnaz) blames her possible cancer on childhood treatments recommended for her by Welby.
Medical records fall into the wrong hands, causing a man's loss of a promotion and the worsening of his wife's heart ailment.
The man who raped Kiley's girlfriend (Lindsay Wagner) sues for malpractice after being treated by the doctor.
Kiley falls for a patient (Lindsay Wagner) who is later raped by her ex-lover (Dack Rambo); guest Tom Selleck.
Welby and Kiley take advantage of a doctor's (Cliff Potts) hospitalization to teach him about compassion; guest Linda Gray.
Consuelo is called upon to deliver her ex-classmate's (Gena Rowlands) baby under unexpected circumstances; guest Jed Allan.
A mother (Lois Nettleton) is strangely opposed to corrective surgery that could restore her deaf child's (Dawn Lyn) hearing.
Welby and Kiley work on their own to expose the unethical practices of an unscrupulous funeral director (Richard Basehart).
Welby must win the trust of a child whose brain disease requires she be operated on while conscious; guest Shirley Knight.
The latest addition (Carl Betz) to the Family Practice Center, a brilliant diagnostician, has trouble dealing with patients.
A talented boxer (Herbert Jefferson Jr.) is faced with ending his career after learning he has epilepsy; guest Leslie Uggams.
A mother's (Donna Mills) religious fanaticism endangers her son when she insists his illness is demonic possession.
A doctor's (Jess Walton) unwillingness to devote sufficient time and attention to her patients almost costs a man his life.
Welby tries to encourage a child (Sean Kelly) to name the person who molested him; guest Patrick Wayne.
Dr. Welby (Robert Young) counsels a couple (guest stars Ron Ely and Diane Baker) on the problems of infertility.
A despondent man (Cliff DeYoung) suffering from post-operative depression attempts suicide; guests June Lockhart, Jim Backus.
A diabetic woman (Sian Barbara Allen) insists on traveling to California to have Welby deliver her baby.
A policeman (Forrest Tucker) puts his life in danger by refusing help for rheumatoid arthritis in an attempt to save his job.
A fashion designer (Jane Wyatt) becomes emotionally involved with Welby when she seeks help for nervous fatigue.
Welby retains Owen Marshall (Arthur Hill) to defend Kiley in a paternity suit filed by a nurse (Kim Darby).
A nurse (Kim Darby) suffering from a genetic disorder names Kiley in a paternity suit; guest Lynda Day George.
Welby refuses to allow a driver to enter a race until he can determine the cause of the racer's headaches and fits of temper.
A 4-year-old boy whose working mother must leave him in his 9-year-old sister's care suffers blackouts.
Fear of another attack causes a mugging victim to suffer nervous symptoms and impels her husband (Jim Hutton) to seek revenge.
A Mexican-American girl (Mary Maldonado) becomes a runaway after being raped by the man (James Olson) who wanted to adopt her.
An air-traffic controller (Christopher Connelly) becomes depressed when malignant lesions on his larnyx threaten his career.
A father opposes the college enrollment of his daughter, a leukemia victim in remission, and holds Welby responsible for her.
Welby must convince a proud patriarch (R.G. Armstrong) to accept help for members of his clan suffering from a blood disease.
A professor (Richard Basehart) recently returned from an expedition in the jungle receives both physical and emotional shocks.
An orthopedic surgeon (Penny Fuller) faces an uphill battle for reinstatement after conquering alcoholism; guest Ed Flanders.
Kiley and Welby race against time to determine which medication caused a kidney patient (Joanna Barnes) to lapse into a coma.
A driven marine biologist (Dina Merrill) refuses to believe she is seriously ill until she loses consciousness during a dive.
A former Marine (Robert Hooks) alienates his family by his obsession with the health of a Vietnamese orphan he has adopted.
Despite assurances from Welby to the contrary, an ulcer patient believes she's pregnant and tries to give herself an abortion.
A psychiatric therapist's (Tony Musante) work with emotionally disturbed children is complicated when he must be hospitalized.
Fearing the cancellation of his wedding, Kiley won't tell his fiancee (Stefanie Powers) the truth about her serious ailment.
Good intentions backfire on an actor (Frank Langella) who lies to his father (Jack Kruschen) about having a top movie role.
The bitter father of a boy whose arm had to be amputated brings suit against a doctor who prescribed the wrong medication.
A blind girl who feels rejected by both her father and Kiley refuses to have an operation that could restore her sight.
An Italian-American father (Sonny Bono) fears his frail daughter isn't strong enough to endure a life-prolonging operation.
Welby must convince a wife not to give up hope after her husband's heart surgery wrecks the couple's dream of home ownership.
A woman (Fionnula Flanagan) dying of leukemia takes an interest in a blind boy (Radames Pera) who wants to become an artist.
A man's (Paul Burke) impotency causes him to seek an extramarital affair, which traumatizes his daughter; guest Vera Miles.
A teenage boy (Darrel Larson) becomes depressed after a pal's suicide and decides to take his own life; guest Darleen Carr.
Welby deals with a despondent husband's injuries, caused by his misuse of drugs, and the pregnancy of his unfaithful wife.
A diabetic man (Mark Miller) drinks himself into a coma after his homosexual impulses cause his wife to leave with their son.
A TV personality (Joanna Barnes) has a heart condition that could kill if she remains in her current job.
The parents of a 17-year-old gymnastics champion (Jan-Michael Vincent) refuse to accept their son's problem with alcoholism.
A law student (Don Stroud) combining study and marriage develops a stress-related ulcer; guests Jackie Coogan, Greg Mullavey.
An aggressive salesman (guest star James Coco) undergoes a personality change caused by a rare disease. With Robert Young, James Brolin.
A businessman (Peter Mark Richman) must face his background when his mechanic father (Nehemiah Persoff) becomes seriously ill.
A photographer (Anne Baxter) contracts a fatal illness from an insect bite; guests Susan Howard, Murray Matheson.
A nurse (Jessica Walter), depressed over a recent hysterectomy, becomes emotionally involved with a patient (Robert Walker).
An overweight woman (Margaret O'Brien) with hypertension goes on a hazardous weight-reduction regimen.
An old Hopi Indian (Chief Dan George) resists efforts to help his grandson, who is in a diabetic coma; guest William Shatner.
A Jewish couple (Jess Walton, Harvey Fisher) whose first child was lost to Tay-Sachs disease is afraid to have another baby.
A 12-year-old boy (Lee H. Montgomery) stricken with rheumatoid arthritis must also deal with his battling, estranged parents.
An old friend (Leif Erickson) of Welby's, a top surgeon, must alter his life because of age and a worsening medical condition.
A wife (Susan Clark) attempts suicide after learning she must have a hysterectomy because of cancer; guest Lawrence Pressman.
A woman (Lindsay Wagner) with multiple sclerosis leaves her husband (Rick Lenz) to spare him the burden of taking care of her.
A lonely girl (Katherine Justice) is drawn to a college basketball player (Russell G. Wiggins) with inoperable brain cancer.
A lonely salesman (Jack Haley Sr.) turns to his long-forsaken daughter (Sharon Farrell) after he is incapacitated by a stroke.
A doctor (Patrick O'Neal) who believes he has terminal cancer plans to wed a nurse (Brenda Vaccaro) to give his son a mother.
A woman (Heidi Vaughn), separated from her spouse, contracts venereal disease after an affair with another man (Eric Braeden).
A 20-year-old woman (Sian Barbara Allen) with ambitions of becoming a writer is struck with a disease and left a paraplegic.
A mentally impaired man (Bruce Davison) must decide whether to give bone marrow to save his brother (Mike Farrell), a radiation victim.
A mother (Beverly Garland) and daughter (JoAnna Cameron) realize their own mistakes after the daughter's disastrous abortion.
Welby's teenage niece, unwed and three months pregnant, decides to go full-term despite risks posed by a serious infection.
A husband (Charles Aidman) and wife (Anne Jackson) are at odds when their newborn son is diagnosed as having cystic fibrosis.
A black social worker (Chelsea Brown) attempts to adopt a boy who suffers from the same disease she does -- sickle-cell anemia.
A man (Neville Brand) postpones necessary eye surgery because of fears he will not see his first child; guests Barbara Rush.
Muscle spasms plague a college teacher (David McCallum) who has devoted himself to the rearing and education of his brother.
A young woman whose infant son suddenly died questions her own capabilities when her 4-year-old foster child also becomes ill.
A father (Gary Collins) refuses to accept that his teenage son (Sean Kelly) has a learning disability caused by brain damage.
A championship tennis player (Nico Minardos) is convinced his life is over when he is diagnosed as having myasthenia gravis.
Welby's daughter (Christine Belford) fights for her life as complications occur during the birth of her baby.
Welby's daughter (Christine Belford), fearing exposure to rubella, returns from South America for an abortion.
A disillusioned man (Michael Warren) is asked to donate blood to a poisoning victim (Johnnie Whitaker); guest Leslie Parrish.
A once-renowned film director (guest star Barry Sullivan) endangers his life when given a chance to regain his fame. With Robert Young, James Brolin.
A man suffering from attacks refuses to go into the hospital because he claims his slightly impaired sister needs his care.
Lonely Consuelo considers adopting a recently deceased divorcee's 10-year-old son; guests Christopher Stone, Skye Aubrey.
A retirement-home resident's (Patric Knowles) daughter opposes her father's romance with a rich, lonely widow (Ruth Hussey).
A neurologist (Ted Bessell) risks the life of one of Welby's patients by refusing to admit making a diagnostical error.
A middle-aged heart-attack victim (Joseph Campanella) reassesses his life after losing both his executive job and his family.
A neurosurgeon's (William Windom) unwillingness to accept his own limitations leads him to become dependent on amphetamines.
Welby testifies at the murder trial of Marshall's client (Arthur Hill); guests Lee Majors, Ed Nelson.
Lawyer Owen Marshall (Arthur Hill) defends a patient's father on a murder charge; guests Lee Majors, Rick Ely.
A Japanese-American boy's (Brian Tochi) illness is linked to conflicting emotions he feels toward his father (Tom Helmore).
The relationship between identical twin sisters (Sally Field in a dual role) is tested when one twin suffers severe burns.
Guilt-ridden Kiley goes into debt to give his father (Alan Hale) the best care after the elder Kiley suffers a stroke.
Welby must decide between medical and psychological causes for recurring illnesses suffered by a newly adopted orphan girl.
A widow (Diana Muldaur) turns away her fiance (Pernell Roberts) after undergoing a radical mastectomy; guest Carmen Zapata.
Welby tries to help a woman (Jessica Walter) escape her domineering father (Alexander Scourby) and marry the man she loves.
A girl (Laurie Prange) develops a severe ulcer when she feels her rich parents (Alexis Smith, Craig Stevens) don't love her.
Welby assists a woman (Geraldine Brooks) who becomes ill during a transcontinental airplane trip; guest Pat Harrington.
Kiley tries to locate a mentally impaired patient's (Brad David) rabid dog after the animal bites Welby; guest Christina Crawford.
Unanticipated complications result when a blind mother (Kay Medford) arranges plastic surgery for her homely, large-eared son.
A woman (Diana Hyland) with a back problem sues Welby and Kiley, claiming their treatment of her ailment led to paralysis.
Consuelo falls in love with a wealthy man (Joseph Campanella) from Mexico City whose attitudes and health concern Welby.
Kiley and Welby try to help a once-successful orthopedic surgeon (Rachel Roberts) recover from alcoholism; guest Dana Elcar.
A dying teacher (Walter Pidgeon) and an Indian medical student (Peter Duel) complicate efforts to honor Welby's career.
A tuberculosis patient (Dana Wynter) rejected by her husband (Robert Lansing) becomes the object of Kiley's affections.
Welby tries to help a despondent rancher (Glenn Corbett) who has lost a kidney adjust to dependence on a kidney machine.
A Navajo steelworker (James Farentino) is faced with the prospect of losing his high-paying job when he contracts emphysema.
A father (Richard Thomas) with mononucleosis endangers his life and the life of his son when he ignores Welby's treatment.
Welby suspects a nurse has contracted a hereditary muscular disease, but can find no history of the ailment in her family.
The father of a supposedly impaired child allows shame, jealousy and pride to prevent him from seeking free help for his son.
A teacher (John Considine) with epilepsy disregards Welby's treatment and attempts to cope with his condition on his own.
Welby discovers that a prospective bride who spent her childhood in the Philippines has contracted a mild form of leprosy.
A scientist (Ricardo Montalban) becomes afraid when hallucinogenic drugs he ingested in Mexico cause incapacitating symptoms.
Guilt over her mentally impaired daughter causes a mother (Suzanne Pleshette) to be hospitalized for an ulcer; guest David Hartman.
A psychiatrist (Larry Hagman) at a suicide-prevention clinic considers suicide himself after learning he has a fatal disease.
A wealthy hypochondriac (Michele Lee) demands to have a flu shot during a particularly severe epidemic; guest Jeanette Nolan.
Kiley's brother keeps a taped diary of what he believes is the progress of his Hodgkin's disease, but refuses to get help.
A high-powered attorney (Gary Merrill) refuses to ease off on his work load when he is diagnosed as having a terminal illness.
A high-school girl (Lee Purcell) loses weight and joins in school social life, only to wind up contracting venereal disease.
Welby tries to help a frustrated, young doctor (Kaz Garas) administer a floundering health clinic in a poor neighborhood.
An orphanage counselor refuses to be treated for her pill addiction and causes an accident that injures one of her charges.
A hemophiliac boy rebels against his protective mother and forges permission for a field trip. Directed by Steven Spielberg.
An oceanography student (John Ericson) suffering from the bends ignores Welby's advice and plans to make a prolonged dive.
Welby suspects psychosomatic causes when a woman (Skye Aubrey) suffers attacks after recovering from successful heart surgery.
Kiley, hospitalized for chickenpox, becomes interested in a patient (Don Stroud), an oilfield worker terrified of surgery.
A jockey (Michael Burns) collapses and is hospitalized as a result of his desperate attempts to make the weight for a race.
Kiley's renewed friendship with an ex-boss, a recovered drug addict, is put on the line when he gives the man a job physical.
A scientist suffers symptoms of mental and physical deterioration when he is convinced he has inherited Huntington's Chorea.
Consuelo's mother, faced with either risking death to live or surely dying, makes a decision that influences another patient.
A teenager (David Cassidy) with diabetes takes revenge on his father by making good on a threat to stop taking his insulin.
Welby treats a black leader's college-student son, injured by police during a demonstration; guest Robert Guillaume.
A self-styled faith healer (Ruth Roman) convinces a high-school basketball star she can cure his knee ailment without surgery.
Feelings of inadequacy cause a priest (Earl Holliman) to suffer severe asthma attacks and consider abandoning his vocation.
Overly protective parents (Bradford Dillman, Nancy Malone) refuse to allow Welby to tell their leukemic son the whole truth.
To save his job, a police sergeant (Percy Rodrigues) up for promotion to lieutenant lies to Welby about his occupation.
The father of a young man suffering from recurring LSD "flashbacks" resists Welby's efforts to have the boy hospitalized.
Myra becomes too emotionally attached to a pregnant, unwed "flower child" (Darleen Carr) being treated for mononucleosis.
A vigorous Greek-American fisherman insists on entering a deep-diving contest even after he is diagnosed as having emphysema.
A man reconsiders his engagement to a blind girl (Carrie Snodgress) when his own lost sight is suddenly restored by surgery.
An expectant wife panics when a medical condition forces Welby to insist she tell her husband about a previous pregnancy.
A severely anemic, aging war hero (Henry Wilcoxon) ignores Welby's diagnosis and plans to sail alone to the South Pacific.
An overeager husband (Alexander Scourby) pushes his movie-star wife (Barbara Rush) too hard during her recovery from a stroke.
A 42-year-old woman decides to end her unexpected pregnancy when she believes her unfaithful husband doesn't want the baby.
Welby tries to help an autistic boy whose withdrawal is too severe for him to be put in a school for mentally impaired children.
An outgoing schoolteacher (Susan Clark) retreats into isolation after Welby tells her she has only a few months to live.