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ER

ER is an American medical drama television series created by Michael Crichton.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

ER is an American medical drama television series created by Michael Crichton. It aired on NBC from 1994 to 2009 and follows the staff of the emergency room at the fictional County General Hospital in Chicago. The series became one of the most acclaimed and influential medical dramas on American television.

Premise

ER follows the professional and personal lives of emergency department staff at County General Hospital in Chicago. The series combines medical cases with ongoing character-driven storylines.

Production and broadcast history

The series premiered on NBC in 1994 and ended in 2009 after 15 seasons. It was produced by Constant c Productions and Amblin Television in association with Warner Bros. Television.

Reception and legacy

ER received extensive critical acclaim and many industry awards, including major Emmy recognition. It is commonly described as one of the most important and influential medical dramas in television history.

Characters and ensemble cast

The show featured a large ensemble cast over its run, with many actors becoming widely known through the series. Its ensemble structure was a defining feature of the programme.

Key facts

  • The series centers on doctors, nurses, and other staff in a Chicago emergency room.
  • It ran for 15 seasons and 331 episodes on NBC.
  • Michael Crichton created the series, with John Wells also closely associated with its production.
  • ER won multiple major awards, including the Primetime Emmy Award for Outstanding Drama Series.
  • The show is widely regarded as influential in shaping later medical dramas.
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Canadian context

ER aired widely in Canada and was part of the broader North American television landscape that influenced Canadian medical dramas and audience expectations for ensemble hospital series.

Frequently asked questions

What is ER about?
It is about the doctors, nurses, and staff working in the emergency room of County General Hospital in Chicago.
Who created ER?
ER was created by Michael Crichton.
When did ER first air?
It premiered on NBC in 1994.
When did ER end?
The series ended in 2009 after 15 seasons.
How many episodes does ER have?
ER has 331 episodes.
Why is ER notable?
It is widely considered a landmark medical drama and won numerous major television awards.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/ER_(TV_series)
    Supports: Premise, creator, NBC run dates, episode count, seasons, awards, production companies
  2. NBChttps://www.nbc.com/er/about
    Supports: Official network description, creators, production companies, Emmy nomination information
  3. Encyclopaedia Britannicahttps://www.britannica.com/topic/ER-television-series
    Supports: Overview, setting, airing dates, significance
  4. TV Guidehttps://www.tvguide.com/tvshows/er/1030201271/
    Supports: Network, years aired, seasons, premise
  5. IMDbhttps://www.imdb.com/title/tt0108757/
    Supports: General series identification and reception context