Episode 1
The Fourth Sex (1)
1975-09-08 • 60 min
A famed surgeon (Robert Reed) shocks family and colleagues by requesting a sex-change operation. First of two parts.

TV season
1975-09-08
Episode 1
1975-09-08 • 60 min
A famed surgeon (Robert Reed) shocks family and colleagues by requesting a sex-change operation. First of two parts.
Episode 2
1975-09-15 • 60 min
A noted surgeon's request for a sex-change operation is denied.
Episode 3
1975-09-22 • 60 min
On his 36th birthday, Gannon is suddenly beset by peculiar emotional and physical symptoms.
Episode 4
1975-09-29 • 60 min
A delirious war veteran accuses a doctor of slaughtering women and children in Vietnam.
Episode 5
1975-10-06 • 60 min
Gannon's new girlfriend makes impossible demands on his time.
Episode 6
1975-10-20 • 60 min
A study of teen-age prostitution: the daughter of a successful surgeon takes to the streets in a desperate bid for attention.
Episode 7
1975-10-29 • 60 min
The son of a wealthy Middle Eastern oil magnate upsets Medical Center operations with his "money buys everything" attitude.
Episode 8
1975-11-03 • 60 min
Learning that he is suffering from a terminal disease, a brilliant surgeon abandons medicine to live out his unfulfilled dreams.
Episode 9
1975-11-10 • 60 min
Lochner's former sweetheart (Roberta Peters), a celebrated singer, enters Medical Center suffering from unexplained fainting spells.
Episode 10
1975-11-17 • 60 min
An 18-year-old girl needing a critical operation is the key to bringing a doctor's son out of a catatonic state.
Episode 11
1975-11-24 • 60 min
A young woman confined to a nursing home encourages her elderly fellow inmates to rebel against the home's poor conditions.
Episode 12
1975-12-01 • 60 min
An aging surgeon who has begun to make serious mistakes plans to operate on his granddaughter.
Episode 13
1975-12-08 • 60 min
One of Gannon's patients desperately needs blood, but the only possible donor is a fugitive from justice.
Episode 14
1975-12-15 • 60 min
A hospitalized tennis player is attracted to an unhappy girl who is facing heart surgery.
Episode 15
1975-12-29 • 60 min
A lonely nurse stubbornly refuses to press charges against a man who brutally beat her.
Episode 16
1976-01-12 • 60 min
Gannon is attracted to a Soviet doctor (Victoria Fedorova) visiting Medical Center on a special assignment.
Episode 17
1976-01-19 • 60 min
Gannon treats a childlike teenager who's the mother of a baby with a congenital heart defect.
Episode 18
1976-02-02 • 60 min
The adoption of a Vietnamese orphan is complicated when the real mother shows up.
Episode 19
1976-02-09 • 60 min
The hospitalized victim of a mysterious attacker suffers from a domineering mother and recurring headaches.
Episode 20
1976-02-16 • 60 min
Gannon treats a young doctor blinded in a shooting accident.
Episode 21
1976-02-23 • 60 min
The mother (Totie Fields) of a dismissed young resident refuses to have a lifesaving operation unless her son is reinstated.
Episode 22
1976-03-01 • 60 min
An Army doctor (Lois Nettleton) searches for answers when her assistant suffers an inexplicable seizure.
Episode 23
1976-03-08 • 60 min
A misanthropic con artist and an awkward innocent share an offbeat relationship while being treated at the hospital.
Episode 24
1976-03-15 • 60 min
A much-needed clinic is threatened with closure because the doctors refuse to turn wounded street fighters over to the police.