Season
- Season 0 2009-04-02
- Season 1 1994-09-19
- Season 2 1995-09-21
- Season 3 1996-09-26
- Season 4 1997-09-25
- Season 5 1998-09-24
- Season 6 1999-09-30
- Season 7 2000-10-12
- Season 8 2001-09-27
- Season 9 2002-09-26
- Season 10 2003-09-25
- Season 11 2004-09-23
- Season 12 2005-09-22
- Season 13 2006-09-21
- Season 14 2007-09-27
- Season 15 2008-09-25
Season 15 Episode
- Season 12 Cañon City
- Season 12 Nobody's Baby
- Season 12 Man with No Name
- Season 12 Blame it on the Rain
- Season 12 Wake Up
- Season 12 Dream House
- Season 12 The Human Shield
- Season 12 Two Ships
- Season 12 I Do
- Season 12 All About Christmas Eve
- Season 12 If Not Now
- Season 12 Split Decisions
- Season 12 Body and Soul
- Season 12 Quintessence of Dust
- Season 12 Darfur
- Season 12 Out on a Limb
- Season 12 Lost in America
- Season 12 Strange Bedfellows
- Season 12 No Place to Hide
- Season 12 There Are No Angels Here
- Season 12 The Gallant Hero and the Tragic Victor
- Season 12 21 Guns
ER - Season 12 Episode 9 I Do
7.80 45 minutes Gallant impulsively asks Neela to marry her that exact day, she says I do but soon gets cold feet. Morris stands up to Weaver on a patients course of treatment. Luka, Sam and Clemente treat a boy who contracted HIV from his mother. Also, Abby and Luka redefine their relationship and Luka is named the new Chief of Emergency Medicine.
