FYI, the "Rise of the Nazis" doc series has gotten a second season. "Rise of the Nazis: Dictators at War" (3 episodes) will be shown on Tuesdays at 9pm from April 12 to April 26. Check your local listings of course
Also in April, the documentary "The Trick", about the 2009 Climategate scandal that turned out to be bogus. Premieres April 22