S04E01 - The Plunderers

S04E02 - When Porton Pays the Piper

S04E03 - Gamma Alarm

S04E04 - The Great Leap Backwards

S04E05 - Miracle Molecule

S04E06 - Degrees for Sale

S04E07 - Stalin's Ghost

S04E08 - Troubled Waters

S04E09 - Beyond the Rubicon

S04E10 - A Greater Germany

S04E11 - Gerry

S04E12 - Legalise It!

S04E13 - In the Name of Hunger

S04E14 - Apartheid's Assassins

S04E15 - Terms for Peace

S04E16 - The Children of Fire

S04E17 - The Russians A Coming

S04E18 - The Most Neglected Crime

S04E19 - The Great Green Hype

S04E20 - Romanian Roulette

S04E21 - A Tale of Two Cartels

S04E22 - Dispatches (30/05/1990)

S04E23 - The Stasi Tapes

S04E24 - The AIDS Catch

S04E25 - Eritrea: Fight to the Death

S04E26 - Game on the Ice

S04E27 - Guinness - The Inside Story

S04E28 - Listen to the Children

S04E29 - Rivers of Fire

S04E30 - Bad Meat Trail

S04E31 - The Oregon Formula

S04E32 - Black and Blue

S04E33 - Moscow's Mafia Millions

S04E34 - Kingmaker of Karachi

S04E35 - Divided She Falls?

S04E36 - A Good and Faithful Servant

S04E37 - The Case Against War

S04E38 - Against the Odds

S04E39 - The Prozac File