Goosebumps

Tom and Jon's parents are out on vacation, preparing for their new baby. Tom and Jon are in the basement looking for something to eat when they are greeted by their weird Aunt Dalia. She says that she will feed the boys and they can go off and play video games. So they do. But Aunt Dalia then serves them prune cookies. Tom and Jon are reluctant, but try them out anyway, and to their surprise, find out they like prunes. But, the more prune meals their aunt cooks them, the older they get. And now Tom and Jon are both feeling old, tired, and worn out. And their hair is beginning to gray...