It came down to Adam Lambert and Kris Allen this season on American Idol. ... Season Eight Performance Finale. By: Author TV Fanatic Staff. Posted on Published: May 20, 2009 · 8:26 AM EDT ...

How to watch 'American Idol' Season 23 finale The "American Idol" finale airs Sunday, May 18 at 8 p.m. ET/5 p.m. PT on ABC. The finale will also be available to stream on Hulu the next day.