Season
- Season 15 2008-09-25
- Season 14 2007-09-27
- Season 13 2006-09-21
- Season 12 2005-09-22
- Season 11 2004-09-23
- Season 10 2003-09-25
- Season 9 2002-09-26
- Season 8 2001-09-27
- Season 7 2000-10-12
- Season 6 1999-09-30
- Season 5 1998-09-24
- Season 4 1997-09-25
- Season 3 1996-09-26
- Season 2 1995-09-21
- Season 1 1994-09-19
- Season 0 2009-04-02
Episode
- Episode 1: Cañon City
- Episode 2: Nobody's Baby
- Episode 3: Man with No Name
- Episode 4: Blame it on the Rain
- Episode 5: Wake Up
- Episode 6: Dream House
- Episode 7: The Human Shield
- Episode 8: Two Ships
- Episode 9: I Do
- Episode 10: All About Christmas Eve
- Episode 11: If Not Now
- Episode 12: Split Decisions
- Episode 13: Body and Soul
- Episode 14: Quintessence of Dust
- Episode 15: Darfur
- Episode 16: Out on a Limb
- Episode 17: Lost in America
- Episode 18: Strange Bedfellows
- Episode 19: No Place to Hide
- Episode 20: There Are No Angels Here
- Episode 21: The Gallant Hero and the Tragic Victor
- Episode 22: 21 Guns
ER Season 12 If Not Now
ER explores the inner workings of an urban teaching hospital and the critical issues faced by the dedicated physicians and staff of its overburdened emergency room.
