|No. of episodes||22|
|Original run||September 24, 1998 to May 20, 1999|
- Main article: Season 5 crew
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Cast and charactersEdit
|Anthony Edwards||Dr. Mark Greene||Emergency Medicine Attending|
|George Clooney||Dr. Doug Ross||Emergency Paediatric Fellow|
|Noah Wyle||Dr. John Carter||Emergency Medicine Resident (Year 1)|
|Julianna Margulies||Nurse Carol Hathaway||ER Head Nurse|
|Gloria Reuben||Jeanie Boulet||Physician Assistant|
|Laura Innes||Dr. Kerry Weaver||Chief of Emergency Medicine|
|Alex Kingston||Dr. Elizabeth Corday||Surgical Intern|
|Kellie Martin||Lucy Knight||Medical Student|
|Eriq La Salle||Dr. Peter Benton||Surgical Emergency Trauma Fellow|
Medical student Lucy Knight (Kellie Martin) begins her studies in the ER. As she spends time learning the layout and staff of the ER, we learn of Dr. Anna Del Amico's departure.
Carter is reminded of himself as he watches Knight learn and practice. The two have a large number of conflicts before they find a way to work together.
Elizabeth Corday begins her surgical internship all over again in order to keep her job at the hospital and ends her relationship with fellow surgeon Peter Benton. Benton finds out that his son is hearing impaired, and he considers a cochlear implant. Eventually, he decides against it.
Weaver opts for a full-time chief of emergency medicine post, but the post goes to an East Coast doctor, Amanda Lee. Dr. Lee soon develops a more-than-professional interest in Mark Greene with Lee later revealing to be a fraudulent psychopath who later leaves under cloudy circumstances.
Greene does a paramedic ride-along and Doug Ross has at last settled down with Carol Hathaway.
While on probation after performing a risky procedure during the fourth season, Ross breaks protocol again by informing a mother how to alter the medication given to her disabled son with ALD. She uses this information to kill her son, leaving Ross under fire. He resigns from County and moves to Seattle.
- Main article: Episodes