Trailer: U2: An Unforgettable Journey

Starting as four plucky teenagers at a Dublin school and finishing as arguably the world's greatest rock band, music gods U2 have charted an unforgettable journey indeed, as this absorbing -- and unauthorized -- documentary demonstrates. The comprehensive collection of interviews and newsreel footage recounts the story of Bono, the Edge, Adam and Larry as they climb from obscurity to arena-shaking superstardom.