T.J. Martin and Daniel Lindsay, co-directors of "Undefeated", talk about their documentary following a football season at an inner city high school. "Undefeated" opens Friday, February 17.

Hell and Back Again's director Danfung Dennis and producer Mike Lerner discuss their Oscar-nominated documentary about Sergeant Nathan Harris at war in Afghanistan and his return home after being wounded.

Filmmaker, Wim Wenders discusses his Oscar-nominated documentary "Pina" -- a tribute to choreographer Pina Bausch, done in 3D.

Marshall Curry, director of If a Tree Falls: A Story of the Earth Liberation Front, discusses his look at the post-9/11 prosecution of a 90s-era "eco-terrorist."

Bruce Sinofsky, director, with Joe Berlinger, of "Paradise Lost 3: Purgatory," discusses the final film of the trilogy telling the story of three boys murdered in West Memphis and the campaign the filmmakers helped launch to free the teenagers convicted of the crimes.