Rent Wal-Mart: The High Cost of Low Price (2005)

Having directed Outfoxed and Uncovered: The War on Iraq it's safe to say that Robert Greenwald is no stranger to controversy. In his most recent documentary he launches an attack on the unscrupulous business practices of the world's biggest retailer Wal-Mart. Featuring interviews with current and former employees as well as owners of small businesses deeply affected by the expansion of Wal-Mart, this expose of what can be only be described as a corporate monster in fascinating and terrifying in equal measure.