September 22, 2005 (2005-09-22) – May 18, 2006 (2006-05-18)
Season chronology
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List of episodes
The twelfth season of the American fictional drama television series ER first aired on September 22, 2005, and concluded on May 18, 2006. It consists of 22 episodes.
The twelfth season of the American fictional drama television series ER first aired on September 22, 2005, and concluded on May 18, 2006. It consists...
seventh season of the American fictional drama television series ER first aired on October 12, 2000, and concluded on May 17, 2001. The seventh season consists...
sixth season of the American fictional drama television series ER first aired on September 30, 1999, and concluded on May 18, 2000. The sixth season consists...
The first season of the American fictional drama television series ER aired from September 19, 1994 to May 18, 1995. This season, containing 25 episodes...
tenth season of the American fictional drama television series ER first aired on September 25, 2003, and concluded on May 13, 2004. The tenth season consists...
fifth season of the American fictional drama television series ER first aired on September 24, 1998, and concluded on May 20, 1999. The fifth season consists...
second season of the American fictional drama television series ER first aired on September 21, 1995, and concluded on May 16, 1996. The second season consists...
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...
third season of the American fictional drama television series ER first aired on September 26, 1996, and concluded on May 15, 1997. The third season consists...
ninth season of the American fictional drama television series ER first aired on September 26, 2002, and concluded on May 15, 2003. The ninth season consists...
fourth season of the American fictional drama television series ER first aired on September 25, 1997, and concluded on May 14, 1998. The fourth season consists...
eighth season of the American fictional drama television series ER first aired on September 27, 2001, and concluded on May 16, 2002. The eighth season consists...
The thirteenth season of the American fictional drama television series ER first aired on September 21, 2006, and concluded on May 17, 2007. It consists...
The fifteenth and final season of the American fictional drama television series ER premiered on September 25, 2008, and concluded on April 2, 2009, in...
and staff. During the course of the series, 331 episodes of ER aired over fifteen seasons, between September 19, 1994, and April 2, 2009. This one-hour...
The fourteenth season of the American fictional drama television series ER first aired on September 27, 2007, and concluded on May 15, 2008. It consists...
ER is an American medical drama television series created by Michael Crichton that aired on NBC from September 19, 1994, to April 2, 2009. It was produced...
television series ER portrayed by actor John Stamos. Dr. Gates was first introduced in Season12 before becoming a series regular in Seasons 13-15. In Dr....
series’ first eight seasons, Greene's role was that of a mediator and occasional authority figure. He begins the series as the ER's chief resident, before...
series ER, portrayed by actress Kellie Martin. The character was part of the show for the fifth and sixth seasons. When she was first introduced on ER, Dr...
character Susan Lewis, M.D. is a character from the medical drama series ER, portrayed by American actress Sherry Stringfield. Susan appeared as a primary...
Lewis on the NBC medical drama ER, a role for which she received three Emmy Award nominations. Stringfield was a member of ER's original cast, but she quit...
promoted to a pediatric attending in the ER. He appears from the pilot episode before departing in the fifth season episode "The Storm - Part II". Clooney...
recognition for her starring role as Carol Hathaway in the NBC medical drama series ER (1994–2009), for which she received a Primetime Emmy Award and six Screen...
series ER, portrayed by actor Eriq La Salle, appearing as a primary character from the pilot episode until part way through the eighth season. La Salle...
Rasgotra in the NBC medical drama ER (2003–2009). Her other television roles include Meera Malik in the first season of the NBC crime drama The Blacklist...