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 Freak Show
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.
