If you only know about the Vietnam War by way of "Apocalypse Now" and "Platoon," you have much left to discover about the divisive and difficult conflict. In this four-disc set of documentary programs, you'll find a series of eye-opening stories about America's endlessly controversial war in Southeast Asia. Episodes include "War and Advice," "Night of the Dragon," "Beans, Bullets, and Black Oil," "No Substitute for Victory," "Progress for Peace," and others. 23 hrs. total. Standard; Soundtrack: English Dolby Digital stereo.