|Season 7, Episode 3|
|Air date||October 26, 2000|
|Written by||R. Scott Gemmill|
|Directed by||Paris Barclay|
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Mars Attacks is the 3rd episode of the 7th season of "E.R."
Carter treats a young paraplegic on his first day back at County. Corday and Greene try to work around a surgeon shortage.
Benton discovers that Romano has fired him for his actions last week. Weaver offers Abby a position in the ER as a full-time nurse. Abby later plants an impromptu smooch on Kovac.
Various weird patients arrive at the ER following a beam collapse at a sci-fi convention. Malucci goes out of his way to discover who the father of Chen's baby is. A patient with "spontaneous human combustion" catches fire.
DR. BENTON SUFFERS ER CHIEF'S WRATH; DR. CARTER RETURNS TO WORK IN LIMITED ROLE: Dr. Benton (Eriq La Salle) learns the sobering price of a previous challenge to the authority of tyrannical chief Dr. Romano (Paul McCrane) while a recovering Dr. Carter (Noah Wyle) chafes under the restrictions imposed on his role during his first day back in the emergency room after his drug treatment.
Likewise, obstetrics nurse Abby (Maura Tierney) is peeved when she is beset by nagging hassles and is asked by Dr. Weaver (Laura Innes) to fill in as an ER nurse until she can re-enroll in medical school.
The collapse of an elevated walkway in a sci-fi convention floods the ER with out-of-this world costumed patients while Dr. Corday (Alex Kingston) must talk Dr. Greene (Anthony Edwards) through a complicated procedure via an intercom while she too performs surgery.
Ambitious desk clerk Frank (guest star Troy Evans), a former cop, causes chaos when he keeps running computer security checks on suspicious patients with surprising results.
Another patient (guest star Jamie Marsh) checks in claiming to suffer from spontaneous combustion. Ming-Na, Goran Visjnic, Michael Michele and Erik Palladino also star.
- Benton (to Romano): So, what is my position here?
- Romano: You have no position here.
- Benton: So, you're firing me?
- Romano: No, no, no, Peter. You fired yourself.
- Weaver (to Romano): Did you even take the Hippocratic oath?
- Romano: I had my fingers crossed.
- Carter (to Mark): I'm gone for a couple of weeks, you're engaged, Chen's pregnant, Malucci's blonde and I can't seem to remember my locker combination.