Spike TV is raising the stakes in the endless quest to discover the truth about the legendary creature known as Bigfoot, the seemingly mythical being that roams forests of the world, avoiding mankind. The network is announcing a new one-hour reality show, , featuring ambitious teams of explorers on a brazen exhibition to unearth real evidence of Bigfoot's existence. The $10 million in cash, underwritten by Lloyd's of London, would be the largest cash prize in television history.