Animal Simpsons on Instagram: "One of my favorite Treehouse Of Horror episodes from the later seasons; and if you’ve been with my profile for a while now, you know we bring out this gem every October 🎃 It’s The Grand Pumpkin Milhouse, the final segment of Treehouse of Horror XIX , or 19. Generally cited as one of the ‘flashes of greatness’ in The Simpsons later years; it parodies the famous cartoons within the world of the comic strip Peanuts and the animated Halloween episode ‘It’s the Great P