The showcases kick off with 12 of the Top 24 performing.
The judges vote on who will advance in the competition. Former contestants return to mentor and perform with the singers.
Showcases continue with the remaining 12 contestants of the Top 24 performing.
The judges vote on the second showcase and the Top 14 are revealed. Included: fan-favorite Idols return to mentor and perform.
Download the TV Guide app for iPhone, iPad and Android!