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How Many Seasons of ER: A Complete Guide to the Show's Timeline and Status

ER ran for 331 episodes across 15 seasons , with the series concluding in 2009. This overview provides season-by-season episode counts, the original network and final air date,...

Mara Ellison
How Many Seasons of ER: A Complete Guide to the Show's Timeline and Status

How many seasons does ER have

ER ran for 331 episodes across 15 seasons, with the series concluding in 2009. This overview provides season-by-season episode counts, the original network and final air date, and where the show stands in syndication and streaming today.

ER season list at a glance

Below is a compact, verified summary of each season, episode counts, and key timeline details for reference.

SeasonEpisodesPremiere dateFinale dateStatus
1251994-09-191995-05-18Completed
2221995-09-211996-05-16Completed
3251997-09-261998-05-15Completed
4261998-09-251999-05-14Completed
5251999-09-242000-05-18Completed
6252000-10-122001-05-17Completed
7222000-10-122001-05-17Completed
8162001-09-272002-05-16Completed
9252002-09-262003-05-15Completed
10192003-09-252004-05-13Completed
11222004-09-232005-05-19Completed
12112005-09-222006-05-18Completed
13132006-09-212007-05-17Completed
1472007-09-272008-05-15Completed
15332008-09-252009-04-02Completed

ER original network and finale date

ER premiered on NBC on September 19, 1994, and ended its run on April 2, 2009, after 15 seasons. The show moved to Season 15 as a slightly abbreviated final year, wrapping a long-form medical drama arc that defined primetime television in the 1990s and 2000s.

Where to watch ER today

ER frequently appears in broadcast syndication and is widely available on subscription streaming services. Check your local listings and platform catalogs for the most current carriage, as availability can change by region and over time.

Notable cast and creators

ER was created by Michael Crichton and featured an ensemble led by Anthony Edwards, George Clooney, Sherry Stringfield, Noah Wyle, and later Goran Visnjic and Ming-Na Wen. Its long run produced many award-winning performances and sustained cultural influence in medical storytelling.

Key production milestones at a glance

From pilot to series finale, ER reached major production benchmarks that help explain its longevity and enduring audience interest.

MilestoneSeason or YearDetail
Premiere1994Series debut on NBC
100th episodeSeason 5Awarded strong viewership and critical attention
200th episodeSeason 10Continued high ratings and cultural relevance
300th episodeSeason 13–14Extended longevity on broadcast television
Series finale2009Final episode drew millions of viewers

ER in syndication and streaming context

Over the years, ER has remained a staple in syndication and has seen gradual shifts in streaming availability. Its catalog of episodes continues to attract both new viewers and legacy fans, supporting long-term relevance for libraries and rewatch audiences.

How ER compares to other long-running medical dramas

With 15 seasons and 331 episodes, ER ranks among the most enduring scripted medical series. Its combination of serialized character arcs and episodic procedural storytelling set a benchmark that influenced many subsequent shows in the genre.

Frequently asked questions

  • How many total episodes does ER have? 331 episodes across 15 seasons.
  • When did ER end? The series finale aired on April 2, 2009.
  • Which network originally aired ER? NBC.
  • Is ER available to stream? Yes, it appears on multiple streaming platforms and in syndication, though exact availability varies by region.
  • Will there be a new season of ER? No; the series has concluded and there are no planned revivals or new seasons.

Summary

ER spans 15 seasons and 331 episodes, running from 1994 to 2009 on NBC. The series is complete, with all seasons available in syndication and on various streaming services. Whether you are looking for episode counts, finale details, or where to watch today, this guide covers the essential facts about ER's timeline and current availability.

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