a rural texas town find itself beset by a series of mysterious disappearance and death with no seemingly rational explanation . the local sheriff be face with an angry community leader demand an end to the matter and or his resignation . through the combined effort of the sheriff and a quick witted mechanic and the source of the problem be discover and a fifty foot gila monster who have run out of food and and be now prey upon the local populace and accord to the dvd sleeve synopsis . god unexplored wilderness ( aka texas ) and a show in the film beginning and include no sign of food while so and it only natural to have it giant gila monster leave . it start off by eat two tasty teenager and who be try to enjoy some submarine race . the director and ray kellogg and seem to have a thing for actor put their leg up somewhere . watch for both hero don sullivan ( a chase ) and sheriff fred graham ( a jeff ) to put their leg up together and in the auto mechanic shop ( compton garage ) . the characterization be interest . sullivan be an old influence on the young and more rebellious gang of teenager while and and he have turn from hot rodder to auto mechanic . he be support his mother and cripple little sister . sullivan also sing well while although and his choice of material definitely do not rock . not a much be reveal about mr. graham character while but and he be refreshingly non confrontational with the young cast member . the movie be at least two legs up over awful and and be fun to watch with friend . the giant gila monster ( 1959 ) ray kellogg ~ don sullivan and fred graham and shug fisher .