It's downright embarrassing when your best friend, Bonnie Lu Fritz, gets boobs before you do. But not nearly as embarrassing as when Mama decides Sandy's "showing" and it's high time she marched her down to Pospisil's Dry Goods Store for her first bra. To make matters worse, Sandy and Mama bump into Miss Priss herself not to mention, Jimmy Cain, and mortifications of mortifications what should Mama do but pick out a TRAINING BRA for her to try on! And if that's not bad enough, Mama craftily stuffs it with Kleenex and then expects Sandy to parade around in front of God and everybody! Fortunately, Sandy and Jimmy get the last laugh when they mischievously dress up Petunia, the pig, in Mrs. Duba's enormous bloomers and booby holder ...