The WORST seasons of ER

Every season of ER ever, ranked from worst to best by thousands of votes from fans of the show. The worst seasons of ER!

ER follows the medical personnel and patients in the emergency room of Chicago's fictional County General Hospital. The doctors and nurses of County's ER confront the daily challenges of a busy urban hospital, including overcrowded waiting rooms, staffing shortages, and the impact of life-and-death decisions. While they teach the next generation of doctors, each must tackle the demands of their personal lives, at times unsuccessfully.

Last Updated: 9/7/2024Network: NBCStatus: Ended
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Season 14
star
7.08
25 votes

#1 - Season 14

First Aired 9/28/2007

Season 13
star
7.38
29 votes

#2 - Season 13

First Aired 9/22/2006

Season 12
star
7.56
32 votes

#3 - Season 12

First Aired 9/23/2005

Season 11
star
7.58
31 votes

#4 - Season 11

First Aired 9/24/2004

Season 10
star
7.59
32 votes

#5 - Season 10

First Aired 9/26/2003

Season 15
star
7.73
22 votes

#6 - Season 15

First Aired 9/26/2008

Season 9
star
7.87
31 votes

#7 - Season 9

First Aired 9/27/2002

Season 5
star
8.19
43 votes

#8 - Season 5

First Aired 9/25/1998

Season 3
star
8.23
52 votes

#9 - Season 3

First Aired 9/27/1996

Season 4
star
8.24
46 votes

#10 - Season 4

First Aired 9/26/1997

Season 7
star
8.26
39 votes

#11 - Season 7

First Aired 10/13/2000

Season 6
star
8.31
45 votes

#12 - Season 6

First Aired 10/1/1999

Season 8
star
8.42
38 votes

#13 - Season 8

First Aired 9/28/2001

Season 1
star
8.43
79 votes

#14 - Season 1

First Aired 9/20/1994

Season 2
star
8.52
61 votes

#15 - Season 2

First Aired 9/22/1995