Season 18
Episodes
1 Called Home Jan 2, 2008 
2 Darkness Jan 2, 2008 
3 Misbegotten Jan 9, 2008 
4 Bottomless Jan 16, 2008 
5 Driven Jan 23, 2008 
6 Political Animal Jan 30, 2008 
7 Quit Claim Feb 6, 2008 
8 Illegal Feb 13, 2008 
9 Executioner Feb 20, 2008 
10 Tango Feb 27, 2008 
11 Betrayal Mar 5, 2008 
12 Submission Mar 12, 2008 
13 Angelgrove Mar 19, 2008 
14 Burn Card Apr 23, 2008 
15 Bogeyman Apr 30, 2008 
16 Strike May 7, 2008 
17 Personae Non Gratae May 14, 2008 
18 Excalibur May 21, 2008