Sezon 18
Bölümler
1 Two Days in October 17 Eki 2005 
2 Race to the Moon 31 Eki 2005 
3 Las Vegas: An Unconventional History (1): Sin City 14 Kas 2005 
4 Las Vegas: An Unconventional History (2): American Mecca 15 Kas 2005 
5 John and Abigail Adams 23 Oca 2006 
6 The Nuremberg Trials 30 Oca 2006 
7 Jesse James 6 Şub 2006 
8 Hijacked 25 Şub 2006 
9 Eugene O'Neill 21 Mar 2006 
10 The Boy in the Bubble 10 Nis 2006 
11 The Alaska Pipeline 24 Nis 2006 
12 Annie Oakley 8 May 2006 
13 The Man Behind Hitler 22 May 2006