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.

7.01
1315 votes
#1 - Season 13
First Aired 9/22/2006

7.02
1301 votes
#2 - Season 12
First Aired 9/23/2005

7.02
1301 votes
#3 - Season 11
First Aired 9/24/2004

7.03
1381 votes
#4 - Season 10
First Aired 9/26/2003

7.05
1573 votes
#5 - Season 5
First Aired 9/25/1998

7.05
1511 votes
#6 - Season 7
First Aired 10/13/2000

7.05
1583 votes
#7 - Season 6
First Aired 10/1/1999

7.05
1573 votes
#8 - Season 8
First Aired 9/28/2001

7.05
1341 votes
#9 - Season 4
First Aired 9/26/1997

7.15
46 votes
#10 - Season 14
First Aired 9/28/2007

7.70
30 votes
#11 - Season 15
First Aired 9/26/2008

7.93
57 votes
#12 - Season 9
First Aired 9/27/2002

8.34
88 votes
#13 - Season 3
First Aired 9/27/1996

8.38
102 votes
#14 - Season 2
First Aired 9/22/1995

8.42
118 votes