"Untold Tales and Alternate Timelines," Part 1: Back to the Future creator/screenwriter Bob Gale returns with all-new tales from the twisting and turning timeline that made Back to the Future a, well... timeless pop-culture phenomenon! Take a trip back to 1985 and be there when Doc Brown and Marty McFly first meet, and then jump even farther back, to 1945, to witness Doc's involvement in the super-secret Manhattan Project!