ER: Season 15, Episode 18

What We Do (5 Mar. 2009)

TV Episode  |  TV-14  |   |  Drama
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Carter's illness overtakes him during a critical procedure in a trauma room as a documentary film crew spends the day interviewing the health care givers.



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Episode cast overview, first billed only:
Dr. Cate Banfield (credit only)
Mary Taggart


As Archie repaints his apartment to please Claudia, she and her partner go on a murder investigation that ends in a double shooting. Carter's renal failure incapacitates him while working on one of the victims of the shooting. Neela breaks off her relationship with Brenner. Sam's mother recognizes her and they resume their old battles. Written by Ron Kerrigan <>

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Release Date:

5 March 2009 (USA)  »

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Technical Specs


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Aspect Ratio:

1.78 : 1
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Did You Know?


When Morris (Scott Grimes) is yelling at the police detective, he mentions the police being "A Band of Brothers." Grimes was a cast member in HBOs mini-series "Band of Brothers." See more »


Frank Martin: What you're about to see is a document of those who serve as the gatekeepers. My name is Martin... Frank Martin.
Jerry Markovic: Jerry Markovic.
Frank Martin: The few, the proud...
Frank MartinJerry Markovic: The desk clerks!
See more »


References The Silence of the Lambs (1991) See more »

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User Reviews

What We Do (#15.18)
2 July 2015 | by (Canada) – See all my reviews

The episode had a bunch of dramatic action moments that made us worry a lot. One is Archie's girlfriend being shot. Now she is in the hospital and he has to deal with worrying about her dying.

And then Carter also had a critical moment. I am pretty sad that it goes this way. I was hoping just to watch Carter do his work. Instead he is sick and may die. I get that they want to give him a great story for the ending, but I was kind of hoping to see more of the "old times".

It is also interesting to watch Sam and her mother dealing with each other. A pretty moving story.

And I liked the little reality TV part they had in the show. Tells us more about ER work. Was also wonderful they emphasized the importance of other workers that aren't doctors and nurses. That gave us also some fun moments with Jerry and Frank.

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