How did PFAS, the forever chemicals once used in popular stain-resistant carpets, end up in the water and environment in parts of Georgia, Alabama and South Carolina? FRONTLINE, The Associated Press, The Atlanta Journal-Constitution, The Post and Courier and AL.com investigate what happened and the ongoing health impacts.

What’s next for Venezuela after the dramatic fall of Nicolás Maduro? In a documentary from the filmmakers behind "A Dangerous Assignment," FRONTLINE and The Associated Press investigate the legacy of corruption in Venezuela, the challenges to democracy, the conflict with the U.S., and the fight over who will control the oil-rich country.

FRONTLINE traces the road to war with Iran, the U.S. and Israeli roles, and the stakes for the region