Katumba is a legendary monster gorilla from the island of Martinique. Trent and Crane, owners of a “Hall of Oddities”, travel to Martinique and build a fake Katumba there – to attract audiences at home. First Trent, then Crane operate the big ape from the inside to murder one another.; An atom bomb test in the Pacific opens up a crack in the sea bottom and releases an ancient, dinosaur-like sea serpent. Professor Drake witnesses the monster’s rampage and tries to convince the government of its existence. But no one believes him.; Ezra Fear is Hollywood’s master make-up artist. His trade secret: There is no make-up. He uses a “chemical Z” to frightfully alter the appearance of actors he kidnapped, drugged and keeps caged in his cellar. His “creatures” manage to escape from their prison during a storm and use the hideous drug on their tormentor.; Professor Denton’s expedition explores the insides of an Azetec pyramid in Mexico. Expedition member Carlson is found raving mad, and then goes missing. Denton faces the attacking mummy of king Kataw. He barely manages to escape and seals the pyramid forever.