Season 4 aired between 28 Sep 2007 and 16 May 2008, 18 episodes.
Episodes
E01
Trust Metric
28 Sep 2007
E02
Hollywood Homicide
05 Oct 2007
E03
Velocity
12 Oct 2007
E04
Thirteen
19 Oct 2007
E05
Robin Hood
26 Oct 2007
E06
In Security
02 Nov 2007
E07
Primacy
09 Nov 2007
E08
Tabu
16 Nov 2007
E09
Graphic
23 Nov 2007
E10
Chinese Box
14 Dec 2007
E11
Breaking Point
11 Jan 2008
E12
Power
18 Jan 2008
E13
Black Swan
04 Apr 2008
E14
Checkmate
11 Apr 2008
E15
End Game
25 Apr 2008
E16
Atomic No. 33
02 May 2008
E17
Pay to Play
09 May 2008
E18
When Worlds Collide
16 May 2008