Tuesday is a celebration of the 15 year run of the show. This is when past contestants make an appearance.
Wednesday is the final judging/voting show for the Winner. Dalton Rapattoni,Trent Harmon and La'Porsha Renae are the contenders.
Thursday is the FINALE with the crowning of the winner and the good-bye salutes to 15 seasons of American Idol.
No longer will we hear Ryan Seacrest say, "THIS is American Idol."