Monster That Challenged The World, The (1957) Rating: Starring: Casey Adams, Hans Conried, Audrey Dalton, Barbara Darrow, Mimi Gibson, Eileen Harley, Tim Holt, Gordon Jones, Jody McCrea, Marjorie Stapp, Harlan Warde Director: Arnold Laven Category: Horror, Horror Studio: MGM / UA Subtitles: Spanish, French Length: 84 mins Want to buy?           Instant Terror… Just Add Water! Creeping dread!Crawling terror!Oozing fear!The local beaches go from fun-filled swim-fest to horrifying slugfest when a horde of gargantuan vampire snails ooze their way into the water supply - and threaten to suck the life out of mankind!Packed with nerve-jangling "suspense and excitement" (Variety), this slimy sci-fi thriller delivers "superior monster action" (VideoHound's Movie Guide) that'll pull the most hardened sci-fi cynic right out of his shell! Lieutenant John Twillinger thinks he's seen it all - until an earthquake under the Salton Sea unearths a horrifying nest of prehistoric killer crustaceans.Giant, terrifying and with a hunger for human flesh, the beasts begin feeding on the locals, unleashing a shocking reign of murderous mollusk mayhem.Can Twillinger do anything to stop their spread?Or will the human race be forever left in the snails' slimy wake?