Watch Person of Interest Season 3 Episode 9 Online. Best and Free Online streaming for Person of Interest TV Show. We picked the best sites to stream s03e09. 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 Person of Interest Season 3 Episode 9 s03e09 at the top of the list.