Watch American Idol Season 17 Episode 12 Online. Best and Free Online streaming for American Idol TV Show. We picked the best sites to stream s17e12. 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 American Idol Season 17 Episode 12 s17e12 at the top of the list.