Sezon 4
Bölümler
1 Answers Given to Questions Never Asked (2) 29 Eyl 2003 
2 Pieces of Eight 6 Eki 2003 
3 Waking the Tyrant's Device 13 Eki 2003 
4 Double or Nothingness 20 Eki 2003 
5 Harper/Delete 27 Eki 2003 
6 Soon the Nearing Vortex (1) 3 Kas 2003 
7 The World Turns All Around Her (2) 10 Kas 2003 
8 Conduit to Destiny 17 Kas 2003 
9 Machinery of the Mind 12 Oca 2004 
10 Exalted Reason, Resplendent Daughter 19 Oca 2004 
11 The Torment, the Release 26 Oca 2004 
12 The Spider's Stratagem 2 Şub 2004 
13 The Warmth of an Invisible Light 9 Şub 2004 
14 The Others 16 Şub 2004 
15 Fear Burns Down to Ashes 23 Şub 2004 
16 Lost in a Space that Isn't There 5 Nis 2004 
17 Abridging the Devil's Divide 12 Nis 2004 
18 Trusting the Gordian Maze 19 Nis 2004 
19 A Symmetry of Imperfection 26 Nis 2004 
20 Time out of Mind 3 May 2004 
21 The Dissonant Interval (1) 10 May 2004 
22 The Dissonant Interval (2) 17 May 2004