With undercover footage and on-the-ground reporting, FRONTLINE reveals a side of Saudi Arabia that's rarely seen and traces the efforts of men and women who are working to bring about change in the Saudi kingdom.

Journalist Feras Kilani investigates war-torn Benghazi, the birthplace of Libya's uprising, now besieged by ISIS and warring militias. Journalist Safa Al Ahmad makes a dangerous trip to report on the fighting in Yemen and the stunning human cost of the war. (Both films make up the 1-hour broadcast.)