Watch The Simpsons Season 31 Episode 9 Online. Best and Free Online streaming for The Simpsons TV Show. We picked the best sites to stream s31e09. Simply pick a site below and click "Watch Now!" button next to it. Some of the links may be broken, please upvote the working and good links so other users see those links for The Simpsons Season 31 Episode 9 s31e09 at the top of the list.