Was Herman Melville’s Moby Dick an allegorical tale or were there giants of the sea that really attacked ships? Was there a real Captain Ahab, consumed by vengeance and crippled by a whale? Smithsonian Channel attempts to answer these questions in a new one-hour special MOBY DICK: HEART OF A WHALE, premiering Friday, December 4 at 9 p.m. ET/PT.