21 - 2The Polio Crusade Feb. 02, 2009
21 - 3The Assassination of Abraham Lincoln Feb. 09, 2009
21 - 7We Shall Remain (3): Trail of Tears Apr. 27, 2009
21 - 8We Shall Remain (4): Geronimo May. 04, 2009
21 - 9We Shall Remain (5): Wounded Knee May. 11, 2009