ER (1994–2009)

No Brain, No Gain 

Encouraged by Carol, Mark finally asks Susan out. Benton tries to save a boy, despite the fact Doug thinks he's brain dead.


David Nutter


Michael Crichton (created by), Paul Manning

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Episode cast overview, first billed only:
Anthony Edwards ... Mark Greene
George Clooney ... Doug Ross
Sherry Stringfield ... Susan Lewis
Noah Wyle ... John Carter
Julianna Margulies ... Carol Hathaway
Gloria Reuben ... Jeanie Boulet (credit only)
Laura Innes ... Kerry Weaver (credit only)
Eriq La Salle ... Peter Benton
Abraham Benrubi ... Jerry Markovic
Jorja Fox ... Dr. Maggie Doyle (as Jorjan Fox)
John Aylward ... Dr. Donald Anspaugh
Dwier Brown ... Dr. David Herlihy
Cecil Hoffman Cecil Hoffman ... Gail Herlihy (as Cecil Hoffmann)
Jenny O'Hara ... Nurse Rhonda Sterling
William Sanderson ... Mr. Percy


Mark Greene finally works up the courage to ask Susan Lewis out on a date. She turns him down and he soon comes to the conclusion that she is seeing Dr. Morgenstern. The truth however is even more shocking. With little Megan still in intensive care, Dr. Benton fears making other errors so he goes to extraordinary lengths to save a young man who is very likely brain dead. Nurse Rhonda Sterling is again rotated to the ER and reveals to a skeptical Nurse Hathaway just why hospital administration is assigning her to jobs for which she is not qualified. Dr. Carter doesn't believe that a patient awaiting surgery, Mr. Percy, is mentally competent but he doesn't have the gumption to tell Dr. Anspaugh. Drs. Carter and Keaton take an interest in one another. Written by garykmcd

Plot Summary | Add Synopsis


Drama | Romance


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Release Date:

14 November 1996 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

1.78 : 1
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Did You Know?


Dr. Breedlove remarks that Vicryl sutures are the closest thing to catgut sutures, which he says are not used anymore. However, Dr. Benton asked for more chromic sutures which are, indeed, a type of catgut sutures. See more »


[Mark is hiding behind a cart, watching Susan talk to Dr. Morgenstern]
Carol Hathaway: Mark, what are you doing?
Dr. Mark Greene: You see what I see?
Carol Hathaway: Susan's talking to Morgenstern. So what?
Dr. Mark Greene: He's stroking himself, puffing out his chest, just like a Slender-Billed... something-or-other. She's giving him full-frontal neck.
Carol Hathaway: What are you talking about?
Dr. Mark Greene: You'd know if you were a nuthatch.
Carol Hathaway: Mark, you okay?
Dr. Mark Greene: She turned me down.
Carol Hathaway: Susan?
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