1991-02-26: The Mind of Hussein
1991-02-19: Guns, Tanks, and Gorbachev
1991-02-12: The Man Who Made the Supergun
1991-02-05: Cuba and Cocaine
1991-01-15: To the Brink of War
1990-12-18: The Spirit of Crazy Horse
1990-12-11: The Struggle for South Africa
1990-11-27: High Crimes and Misdemeanors
1990-11-20: Springfield Goes to War
1990-11-06: Betting on the Lottery
1990-10-30: Broken Minds
1990-10-23: The Hunt for Howard Marks
1990-10-16: When Cops Go Bad
1990-10-02: Global Dumping Ground
1990-09-21: Decade of Destruction: Chico Mendes (4)
1990-09-19: Decade of Destruction: Killing for Land (2)
1990-09-18: Decade of Destruction: Ashes of Forest (1)
1990-09-11: The Arming of Iraq: Frontline Special
1990-06-12: Teacher, Teacher
1990-05-22: Inside the Cartel
1990-05-08: Seven Days in Bensonhurst