Sixty nine years ago this week, a war was waged over Los Angeles. In the early hour of February 25, 1942, air raid sirens went off all over L.A. and a blackout was ordered for the entire city, after officials thought they spotted an unidentified aircraft. The Army fired thousands of shells into the sky. Was it an attack, a UFO, or a weather balloon? Plus, a new version of the Spiderman musical is under way. And the mystery of Paris Hilton's disappearing birthday cake is solved!