A FEARLESS SEAMAN AND A WICKED SORCERESS MAKE A SINISTER VOYAGE INTO THE UNKNOWN! Captain Sinbad, dashing conqueror of the deep, battles the vicious witch Zenobia in a deadly regatta to a hidden valley at the end of the world! The course is treacherous and full of dangers—a menacing wasp the size of a dog; a towering Minaton with the head of a bull and a body of steel; primitive troglodytes who inhabit the secret canyon; and a terrifying prehistoric tiger, frozen for thousands of years, who breaks the ice and unites with Zenobia to become a single creature!