You will watch The Simpsons Season 9 Episode 17 β Lisa the Simpson online for free episodes with high quality. Online episode guide, The Simpsons Season 9 Episode 17 β Lisa the Simpson.Soon after being unable to solve a riddle that several others at school were able to solve, and forgetting some of her day to day tasks, Lisa learns from Grampa that every Simpson loses their intelligence in their late childhood. Lisa soon realizes that she cannot escape genetics, and accepts that she will soon be very unintelligent. But she decides to tell Springfield through a newscast to treasure their brains.
The advertisement will dissappear after 30 seconds!!