ER season 11
| ER | |
|---|---|
| Season 11 | |
DVD cover | |
| Starring | |
| No. of episodes | 22 |
| Release | |
| Original network | NBC |
| Original release | September 23, 2004 – May 19, 2005 |
| Season chronology | |
The eleventh season of the American fictional drama television series ER first aired on September 23, 2004, and concluded on May 19, 2005. The eleventh season consists of 22 episodes.