Season 1

13 episodes · Jan 23, 2005 · 7.7

Season 2

24 episodes · Sep 23, 2005 · 7.4

Season two sees shifts within the FBI unit as veteran agent Terry Lake moves on to a posting in Washington. Stepping into the fold are fresh faces: Megan Reeves and Colby Granger, joining Don and David Sinclair's team. Meanwhile, Charlie’s groundbreaking mathematical work comes u…

Season 3

24 episodes · Sep 22, 2006 · 7.9

As the season unfolds, expect deeper connections – Charlie and Amita’s relationship blossoms, mirroring a similar deepening between Larry and Megan, particularly after a harrowing experience that shakes them both. Meanwhile, Amita navigates the challenges of settling into her new…

Season 4

18 episodes · Sep 28, 2007 · 7.9

Season 5

23 episodes · Oct 3, 2008 · 7.9

Season 6

16 episodes · Sep 25, 2009 · 8.4