Sezon 4
Bölümler
1 The Wrath of Graham 17 Haz 2007 
2 Fear Itself 24 Haz 2007 
3 Audrey Parker's Come and Gone 1 Tem 2007 
4 The Truth and Nothing But the Truth 8 Tem 2007 
5 Try The Pie 15 Tem 2007 
6 The Marked 22 Tem 2007 
7 Till We Have Built Jerusalem 29 Tem 2007 
8 No Exit 5 Ağu 2007 
9 Daddy's Little Girl 12 Ağu 2007 
10 One of Us 19 Ağu 2007 
11 Ghost in the Machine 26 Ağu 2007 
12 Tiny Machines 9 Eyl 2007 
13 The Great Leap Forward 16 Eyl 2007