S04E18 The New $pace Race & Closing Gitmo S04E17 Student Debt & Fecal Medicine S04E16 Die Trying S04E15 Flint Water Crisis & Libya on the Brink S04E14 Heroin Crisis & New Age of Nukes S04E13 State of Surveillance S04E12 The End of Polio & Collateral Damage S04E11 The Deal & City of Lost Children S04E10 Trump in Dubai / China in Africa S04E09 The Future of Energy S04E08 Afghan Women's Rights and Floating Armories S04E07 Palestine Now & Viva Cuba Libre S04E06 Return to Yemen & Church and States S04E05 Meathooked & End of Water S04E04 Beating Blindness & White Collar Weed S04E03 Right to Die Free S04E02 Escape to Europe & Cycle of Terror Free S04E01 Boko Haram & Unnatural Selection Free