Season 21
Episodes
1 Traces of the Trade: A Story From the Deep North Jun 24, 2008 
2 Election Day Jul 1, 2008 
3 The Ballad of Esequiel Hernández Jul 8, 2008 
4 The Last Conquistador Jul 15, 2008 
5 9 Star Hotel Jul 22, 2008 
6 Campaign Jul 29, 2008 
7 Johnny Cash: The Man, His World, His Music Aug 5, 2008 
8 Belarusian Waltz Aug 12, 2008 
9 The Judge and the General Aug 19, 2008 
10 Calavera Highway Sep 16, 2008 
11 Critical Condition Sep 30, 2008 
12 In the Family Oct 1, 2008 
13 Up the Yangtze Oct 8, 2008 
14 Soldiers of Conscience Oct 16, 2008 
15 Inheritance Dec 10, 2008