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: Ambush
- Episode 2: Something New
- Episode 3: Friendly Fire
- Episode 4: When the Bough Breaks
- Episode 5: Good Touch, Bad Touch
- Episode 6: Ground Zero
- Episode 7: Fathers and Sons
- Episode 8: Freak Show
- Episode 9: Obstruction of Justice
- Episode 10: Do You See What I See?
- Episode 11: Think Warm Thoughts
- Episode 12: Sharp Relief
- Episode 13: Carter's Choice
- Episode 14: Family Practice
- Episode 15: Exodus
- Episode 16: My Brother's Keeper
- Episode 17: A Bloody Mess
- Episode 18: Gut Reaction
- Episode 19: Shades of Gray
- Episode 20: Of Past Regret and Future Fear
- Episode 21: Suffer the Little Children
- Episode 22: A Hole in the Heart
ER Season 4 Of Past Regret and Future Fear
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.
