"The Big Tent (1980-Present)" chronicles the success of Warner Bros. during the 1980s, '90s and 2000s, including Clint Eastwood's Oscar winners, "The Matrix" franchise and the Harry Potter films. Included: "The Color Purple," "Unforgiven," "Mystic River," "Michael Clayton" and "The Departed"; interviews with Tim Burton, George Clooney, Martin Scorsese and Steven Spielberg. Eastwood narrates.