How did classic Hollywood’s special-effects artists create the extraordinary illusions that thrilled and delighted generations of moviegoers long before the advent of digital technology? In this new original series, visual-effects artist Craig Barron and sound designer Ben Burtt dig into the studio vaults to uncover the rare, behind-the-scenes footage that reveals the process behind movie magic. First up, learn the surprising tricks used to create the realistic torpedo footage seen in the 1943 Humphrey Bogart submarine thriller ACTION IN THE NORTH ATLANTIC.