Sezon 4
Bölümler
1 LBJ (1) 30 Eyl 1991 2 LBJ (2) 30 Eyl 1991 3 The Massachusetts 54th Colored Infantry 7 Eki 1991 4 Scandalous Mayor 28 Eki 1991 5 The Johnstown Flood 4 Kas 1991 6 Pearl Harbor: Surprise and Remembrance 11 Kas 1991 7 G-Men: The Rise of J. Edgar Hoover 24 Şub 1992 8 Duke Ellington: Reminiscing in Tempo 9 Ara 1991 9 The Quiz Show Scandal 6 Oca 1992 10 Love in the Cold War 13 Oca 1992 
11 Wild by Law 10 Şub 1992 12 Barnum's Big Top 14 Eki 1991 13 In the White Man's Image 17 Şub 1992