The 30 Foot Bride of Candy Rock

Dorothy Provine plays Emmy Lou Raven who is in love with Artie Pinsetter, but he won't marry her until he is a great scientist. Distraught, she runs into Dinosaur Springs where the radiation turns her into a giant. A misunderstanding with her father forces Emmy and Artie to get married, but further confusion results when Emmy comes to town for the first time since her transformation and causes a panic. (imdb)