Season 2
Season two has several changes to Don's FBI team: Terry Lake is reassigned to Washington and two new members join Don and David Sinclair: Megan Reeves and Colby Granger. Charlie is challenged on one of his long-standing mathematical workpieces and starts work on a new theory, cognitive emergence theory.
Episodes
1 Judgment Call Sep 23, 2005 
2 Better or Worse Sep 30, 2005 
3 Obsession Oct 7, 2005 
4 Calculated Risk Oct 14, 2005 
5 Assassin Oct 21, 2005 
6 Soft Target Nov 4, 2005 
7 Convergence Nov 11, 2005 
8 In Plain Sight Nov 18, 2005 
9 Toxin Nov 25, 2005 
10 Bones of Contention Dec 9, 2005 
11 Scorched Dec 16, 2005 
12 The O.G. Jan 6, 2006 
13 Double Down Jan 13, 2006 
14 Harvest Jan 27, 2006 
15 The Running Man Feb 3, 2006 
16 Protest Mar 3, 2006 
17 Mind Games Mar 10, 2006 
18 All's Fair Mar 31, 2006 
19 Dark Matter Apr 7, 2006 
20 Guns and Roses Apr 21, 2006 
21 Rampage Apr 28, 2006 
22 Backscatter May 5, 2006 
23 Undercurrents May 12, 2006 
24 Hot Shot May 19, 2006