Sezon 4
Bölümler
1 He That Believeth in Me 4 Nis 2008 
2 Six of One 11 Nis 2008 
3 The Ties That Bind 18 Nis 2008 
4 Escape Velocity 25 Nis 2008 
5 The Road Less Traveled 2 May 2008 
6 Faith 9 May 2008 
7 Guess What's Coming to Dinner? 16 May 2008 
8 Sine Qua Non 30 May 2008 
9 The Hub 6 Haz 2008 
10 Revelations 13 Haz 2008 
11 Sometimes a Great Notion 16 Oca 2009 
12 A Disquiet Follows My Soul 23 Oca 2009 
13 The Oath 30 Oca 2009 
14 Blood on the Scales 6 Şub 2009 
15 No Exit 13 Şub 2009 
16 Deadlock 20 Şub 2009 
17 Someone to Watch Over Me 27 Şub 2009 
18 Islanded in a Stream of Stars 6 Mar 2009 
19 Daybreak (1) 13 Mar 2009 
20 Daybreak (2) 20 Mar 2009