Season 4 aired between 25 Sep 1997 and 14 May 1998, 22 episodes.
Episodes
E01
Ambush (East Coast)
25 Sep 1997
E02
Something New
02 Oct 1997
E03
Friendly Fire
09 Oct 1997
E04
When the Bough Breaks
16 Oct 1997
E05
Good Touch, Bad Touch
30 Oct 1997
E06
Ground Zero
06 Nov 1997
E07
Fathers and Sons
13 Nov 1997
E08
Freak Show
20 Nov 1997
E09
Obstruction of Justice
11 Dec 1997
E10
Do You See What I See?
18 Dec 1997
E11
Think Warm Thoughts
08 Jan 1998
E12
Sharp Relief
15 Jan 1998
E13
Carter's Choice
29 Jan 1998
E14
Family Practice
05 Feb 1998
E15
Exodus
26 Feb 1998
E16
My Brother's Keeper
05 Mar 1998
E17
A Bloody Mess
09 Apr 1998
E18
Gut Reaction
16 Apr 1998
E19
Shades of Gray
23 Apr 1998
E20
Of Past Regret and Future Fear
30 Apr 1998
E21
Suffer the Little Children
07 May 1998
E22
A Hole in the Heart
14 May 1998