Watch BUCKY on his return to American Idol for the Grand Finale of the show on Thursday, April 7th, at 7:00 P.M. CST/8:00 P.M. ET

AMERICAN IDOL, the cultural phenomenon that changed the face of television and created some of today’s biggest music stars, will kick off a three-night Grand Finale week on Tuesday, April 5 (8:00-9:30 PM ET/PT), with AMERICAN IDOL: AMERICAN DREAM. The can’t-miss, 90-minute retrospective will feature host Ryan Seacrest, current and former judges, former IDOLs and contestants and the behind-the-scenes team sharing their personal IDOL memories, as they reflect on what the show has meant to them and how it became the groundbreaking series that it is today. In addition to Seacrest, original IDOL judges Simon Cowell, Paula Abdul and Randy Jackson offer never-before-revealed stories about how IDOL came to be. This is a very special, inside look at the journey that IDOL has taken viewers on during its 15-season run.

The following night, America’s most crucial – and last-ever – vote will take place when the remaining finalists battle it out live from Dolby Theatre on Wednesday, April 6 (8:00-9:00 PM live ET/tape-delayed PT). AMERICAN IDOL’s two-part Grand Finale will be filled with surprise appearances and star-studded performances, including winners Kelly Clarkson and Carrie Underwood, who return to the IDOL stage one last time to perform on Thursday, April 7 (8:00-10:06 PM live ET/tape-delayed PT).The farewell celebration will continue, as IDOL pays tribute to the past 15 seasons, the amazingly talented contestants and the millions of fans who called, tweeted, texted and championed their IDOLS, before the 15th and final AMERICAN IDOL is crowned.

In addition to Bucky Covington, Thursday’s final episode will have all-star performances by former IDOLs, including Carrie Underwood, Kellie Clarkson, Fantasia, Ruben Studdard, Taylor Hicks, Jordin Sparks, David Cook, Kris Allen, Lee DeWyze, Scotty McCreery, Candice Glover, Caleb Johnson, Nick Fradiani, Allison Iraheta, Amber Holcomb, Blake Lewis, Bo Bice, Brandon Rogers, Casey James, Carly Smithson, Chris Daughtry, Clark Beckham, Clay Aiken, Colton Dixon, Constantine Maroulis, Danny Gokey, Diana DeGarmo, Elliott Yamin, Ace Young, George Huff, James Durbin, Jessica Sanchez, Joshua Ledet, Justin Guarini, Katharine McPhee, Kellie Pickler, Kimberley Locke, Kree Harrison, LaToya London, Lauren Alaina, Melinda Doolittle, Pia Toscano, Sanjaya, Skylar Lane, Tamyra Gray and more, before host Ryan Seacrest announces the results of America’s votes and the final IDOL is crowned.