Sezon 4
Bölümler
1 Storm Front (1) 8 Eki 2004 
2 Storm Front (2) 15 Eki 2004 
3 Home 22 Eki 2004 
4 Borderland (1) 29 Eki 2004 
5 Cold Station 12 (2) 5 Kas 2004 
6 The Augments (3) 12 Kas 2004 
7 The Forge (1) 19 Kas 2004 
8 Awakening (2) 26 Kas 2004 
9 Kir'Shara (3) 3 Ara 2004 
10 Daedalus 14 Oca 2005 
11 Observer Effect 21 Oca 2005 
12 Babel One (1) 28 Oca 2005 
13 United (2) 4 Şub 2005 
14 The Aenar (3) 11 Şub 2005 
15 Affliction (1) 18 Şub 2005 
16 Divergence (2) 25 Şub 2005 
17 Bound 15 Nis 2005 
18 In a Mirror, Darkly (1) 22 Nis 2005 
19 In a Mirror, Darkly (2) 29 Nis 2005 
20 Demons (1) 6 May 2005 
21 Terra Prime (2) 13 May 2005 
22 These Are the Voyages... 13 May 2005