第 4 季 共 22 集
播出时间：1997年9月26日
第 1 集 Ambush
播出时间：1997年9月26日
While a film crew is filming in the ER, it's Elizabeth Corday's first day.
第 2 集 Something New
播出时间：1997年10月3日
Carter is exited about getting his own med student and Mark and Carol interview candidates for the desk clerk position.
第 3 集 Friendly Fire
播出时间：1997年10月10日
Cynthia Hooper starts as the new desk clerk. Benton and Carla disagree over whether or not their son should be circumcised. Al gets in an accident at work.
第 4 集 When the Bough Breaks
播出时间：1997年10月17日
His ex-wife Jennifer tells Mark he can't see Rachel until he's got his act together. Reece gets to go home. Al has lost his job.
第 5 集 Good Touch, Bad Touch
播出时间：1997年10月31日
Carol would like to have a women's and children's health care clinic within the ER. Benton has trouble combining work and fatherhood.
第 6 集 Ground Zero
播出时间：1997年11月7日
Al wants to move to Atlanta where he got a job offer. Jeanie however isn't keen on moving. Carol talks to Carter's grandmother about the clinic.
第 7 集 Fathers and Sons
播出时间：1997年11月14日
Ross and Greene travel to a near-deserted stretch of California to investigate circumstances surrounding a death in Doug's family.
第 8 集 Freak Show
播出时间：1997年11月21日
Benton has a very extraordinary and interesting case when he comes across a boy with reversed internal organs.
第 9 集 Obstruction of Justice
播出时间：1997年12月12日
Jeanie believes she's been fired because she has HIV and fights her dismissal.
第 10 集 Do You See What I See?
播出时间：1997年12月19日
Mark treats an old lady who has been brutally raped. Carter's grandmother visits Carol's clinic. After he's touched by Benton, a blind man can see again!
第 11 集 Think Warm Thoughts
播出时间：1998年1月9日
Dr. Anspaugh's 13-year-old son is brought in and Anspaugh asks Mark to look after him. Another old lady who has been raped is brought in.
第 12 集 Sharp Relief
播出时间：1998年1月16日
Kerry starts to doubt the methods of Synergix. Carter tries to help his cousin beat his drug addiction. Jeanie becomes Scott Anspaugh's part-time caregiver.
第 13 集 Carter's Choice
播出时间：1998年1月30日
Another elderly rape victim is brought in. So is the rapist.
第 14 集 Family Practice
播出时间：1998年2月6日
Greene flies to San Diego when his mother falls and is hospitalized. His concern increases when he finds her acting "completely loony and out of control." To make matters worse, he butts heads with his dad over her care.
第 15 集 Exodus
播出时间：1998年2月27日
Because of benzene that's been spread, the ER has to close. Weaver gets felled and Carter has to take the lead.
第 16 集 My Brother's Keeper
播出时间：1998年3月26日
Mark finds out Cynthia has moved. Carter's cousin Chase is brought in because of a heroin overdose. Doug and Kerry clash after she found a flaw in his study.
第 17 集 A Bloody Mess
播出时间：1998年4月10日
Jeanie fears Scott Anspaugh's cancer may have returned. Hathaway learns a disturbing secret about a 16-year-old girl. A pregnant patient fears she'll miscarry; Morgenstern returns to work, but perhaps too soon after his heart attack.
第 18 集 Gut Reaction
播出时间：1998年4月17日
Carter finally works up enough nerve to ask Del Amico out. Jeanie tries to help Scotty decide whether to undergo an experimental treatment and Benton takes unexpected action during an operation with Morgenstern.
第 19 集 Shades of Gray
播出时间：1998年4月24日
Del Amico, Ross and Corday confront disturbing situations after the bombing of a women's clinic. Benton comes under review for controversial actions in the OR. Jeanie endures one of the most difficult days of her life as she says goodbye to a friend.
第 20 集 Of Past Regret and Future Fear
播出时间：1998年5月1日
A 31-year-old security guard is brought in suffering from severe chemical burns, and a 21-year-old man is wheeled in after falling 75 feet into a river. Meanwhile, Benton is upset that Carla's boyfriend is part of Reese's baptism.
第 21 集 Suffer the Little Children
播出时间：1998年5月8日
Ross treats a 6-month-old recovering from methadone withdrawal. A televangelist and his wife, who's suffering from an infection, plan a broadcast from the ER. Del Amico's old boyfriend arrives, and Jeanie fears her health is rapidly declining.
第 22 集 A Hole in the Heart
播出时间：1998年5月15日
Ross and Hathaway's jobs are in jeopardy after their unauthorized treatment of a drug-addicted 7-month-old boy is discovered. Corday loses her sponsorship. Carter suspects Del Amico's boyfriend when drugs are stolen.
