Dr. Samuels becomes attached to a boy in for leg surgery; Fiscus surprises Martin with a romantic gesture; Chandler challenges a veteran nurse's competency; Dr. Craig receives his coveted `Surgeon of the Year' award; and Cavanero's weekend away is interrupted by a patient delivering her baby at home with just a teenage boy to help.

Ralph masquerades as a doctor; an obese woman gives birth unexpectedly; an old friend of Dr. Samuels joins the staff; and Ehrlich faints during surgery.

Dr. Samuels breaks up a late night poker game to perform emergency surgery on a gunshot victim; Morrison lets a Chinese couple perform a folk healing ritual on their dying son; and Ralph's manic stage reaches a crescendo.

Samuels operates on a hooker, who invites all her friends to visit her; Myra White gives her estranged husband some news; the racial tensions reach a climax when the truth about O'Connor's beating surfaces; and Ehrlich makes a fool of himself by drinking too much at a party given by Dr. Craig.

Morrison's wife goes into labor; White loses a girlfriend and gains a wife, while falling under suspicion when drugs are stolen; Dr. Craig's son Steven arrives for a period of observation and cause problems for Ehrlich; Martin casts her spell over Fiscus again; and Dr. Auschlander and an old friend get into a fist fight as they reminisce about the past.

The men attend a rather staid bachelor party for Kochar; White learns about the dangers of nuclear medicine; Fran Singleton refuses to see her husband, but later walks out of the hospital by his side; everyone opposes Joan's idea of including St. Eligius in a government nuclear disaster contingency plan; Martin gives Kochar a unique wedding present; and the transplant team goes into action.

Dr. Caldwell suffers for his work on Eddie Carson; Joan reveals a secret in the E.R.; Ehrlich meets a brand-new Roberta; Dr. Westphall's housekeeper announces she's returning to Italy; Eve Leighton takes a turn for the worse.

Joan's father enters the hospital unexpectedly; Chandler takes a practice run for the Boston Marathon that proves dangerous; and the Craigs host Ehrlich's wedding with guests such as Mrs. Craig's mother and Ehrlich's alcoholic aunt Charice.

The residents scatter as vacation begins; Morrison meets a charming young woman; the E.R. faces major structural repairs; Steven Craig returns home after licking his drug problem; and Luther tries to find a Cheshire cat for a skeptical little girl. Dr. Auschlander collapses in an elevator. Elliot Axelrod has an interview for a position as a resident.

Morrison and Clancy argue over what to do about her unexpected pregnancy; Rosenthal and Dr. Auschlander fail to agree about anything as a nurses' strike looms; the emergency room receives three seriously burned firefighters; and Dr. Westphall collides with a strong-minded Mother Superior over life support for a critically ill nun.

Dr. Westphall bans Sister Dominica from the hospital; the firefighters try to adjust to their injuries; Fiscus meets a fairy godmother; White returns to work; Clancy takes matters concerning her pregnancy into her own hands; and a Federal mediator joins the stalled contract talks.

Dr. Westphall suffers sleepless nights; a young man from the Philippines is apparently frightened to death by his dreams; Luther dreams of sweet revenge with the help of some `ZZ Top' impersonators; Ehrlich dreams of being washed up on an island of Amazon women; and Morrison suffers from nightmares of Peter White when he and some other residents take part in a dream research project.

Dr. Wyler puts Dr. Auschlander onto a new way of life; Halloran interviews Morrison's co-workers in an effort to build a case for him; Ehrlich takes the Craigs out for a disastrous dinner; and Mrs. Hufnagle loses a chance at a new life.

Mrs. Auschlander faces major heart surgery; Dr. Craig is disturbed to see the ravages of time on his mentor, Dr. David Domedion; Ehrlich searches for a religion; the messiah shows up for a Celtics game; and Dr. Westphall announces his resignation at a friendly little bar called Cheers.

The hospital review board acquires a new member from the psychiatric floor; Chandler experiences long-suppressed resentments when he treats a Vietnamese patient; and Dr. Turner counsels an upwardly mobile couple who can't conceive a child.

Life goes on as the generator fails during a city-wide blackout; Caldwell takes leave to visit a dying friend; Westphall shares a stuck elevator with an Irishman; Dr. Craig and Wade perform emergency surgery; Pru returns to the hospital, as do the Valeres; Rosenthal is subpoenaed; Fiscus finds the emergency romantic; and a man who believes he's a vampire appeals to Morrison and Axelrod for help.

Axelrod tries to keep Santa Claus alive after he collapses at a children's party; Ehrlich tries to brighten the holiday for his only obstetrical patient; Lizzie's boy friend finds the Westphalls' Christmas depressing; and Dr. Craig overindulges at his Christmas party.

St. Eligius' 50th anniversary spurs memories, including: it's opening in 1935 under the leadership of Father Joseph McCabe, the arrival of recently emigrated Helen Rosenthal and Mark's return as chief of surgery, Mark's bypass on Patrick O'Casey and the death of Maureen Westphall. Morrison struggles to diagnose a difficult patient and cope with the loss of Pete to a kidnapper.

St. Eligius' 50th anniversary spurs memories, including: the growing up of Donald Westphall, the arrival of young Daniel Auschlander and his first meeting with Katharine, a drunken and embittered Father McCabe's departure, and the residency of Mark Craig under Dr. David Domedion. The O'Casey family's long history with St. Eligius leads Morrison to a diagnosis. Pete is returned.

Chandler does his outreach work at a crisis hotline, where he draws a suicide on his first night; Ehrlich earns Dr. Craig's approval after he performs well during an emergency; and Carol Novino renews her friendship with Dr. Westphall and his family. Ellen Craig kicks Mark out of their home.

Dr. Turner returns to St. Eligius in time to deliver the baby of an old patient; Chandler has very bad luck as he searches for her all day; and Dr. Auschlander is trapped in a crack house that has been bequeathed to the hospital.

Rosenthal's first husband and youngest son both return to her life; Chandler comes under fire for his activism against apartheid; Dr. Turner finds it hard to let go of the Ettings' baby; The Valeres' wish is finally granted, and everyone wants to date Novino.

The residents worry over who will be asked to return next year; the Craigs worry over the ""Doctor of the Year"" award dinner; Fiscus grows obsessed with opening a locked door; Martin drops by with a new look; Dr. Auschlander fears death as Halley's Comet blazes overhead; and a mugging victim named Boston Massachusetts waits for treatment in the E.R.

A depressed Father Joseph McCabe returns to St. Eligius; Morrison receives a visitor from Seattle; Dr. Craig seeks help for his injured hand from an old classmate; one of Axelrod's patients awakens in the morgue; and Luther plays musical air conditioners.

Dr. Westphall helps a terminally ill teenager reach his parents; Griffin plays Birch and Novino off against each other to escape blame in a patient's death; Morrison calls Chandler on it when Dr. Turner gets involved in a dispute involving a sick child; and Dr. Craig tries to start his memoirs.

Dr. Westphall tries to help an alcoholic poet he once admired; Dr. Craig puts his usual worst foot forward as he tries to persuade the Soviets to release Masha's husband; Rosenthal confronts McPhail about her drug problem; and Ehrlich makes friends with Papandrao's new boyfriend.

Novino uncovers a pathologist selling body parts when one of her patients dies; Dr. Westphall learns that Lizzie is pregnant; Chandler and a visiting private practitioner learn something from each other, and John Doe #6 surfaces again, along with Craig's novel.

The representative of a foreign medical group interested in the hospital visits to absorb the psychic `aura' of the place (via flashbacks) but collapses from a heart attack before he can recommend the sale.

Luther turns sleuth to find out who is responsible for the mercy-killings; Dr. Turner takes a chance doing experimental fetal heart surgery; Axelrod gets back at Novino and Griffin; Morrison buys a gun to protect his family; Yvonne Galecki Craig comes to claim her daughter, and Ehrlich and Papandrao have second thoughts about marriage when the new owners fire everyone in the hospital.

Auschlander tries to stop the demolition of St. Eligius.

Gideon and Westphall argue over an AIDS clinic, Ehrlich looks for a mysterious woman on his wedding day, Kiem experiments with hypnosis, and Joanne blames Boomer for letting her kids go back to Seattle with her ex-husband.