S4E1 - Auditions (1)
The auditions begin in 3 California cities: Los Angeles, San Diego, and Ojai. Judges Luke Bryan, Katy Perry, and Lionel Richie return, along with host Ryan Seacrest.
Feb. 14, 2021, midnight
S4E2 - Auditions (2)
Auditions across California – Los Angeles, San Diego, and Ojai – continue.
Feb. 21, 2021, midnight
S4E3 - Auditions (3)
Auditions across California – Los Angeles, San Diego, and Ojai – continue.
Feb. 28, 2021, midnight
S4E4 - Auditions (4)
Auditions continue in California.
March 7, 2021, midnight
S4E5 - Auditions (5)
The search for the next superstar across Los Angeles, California; San Diego, California; and Ojai, California, comes to an end as "American Idol" auditions wrap. Saving some of the best for last, this week features the final auditions in front of the celebrity judges before heading to Hollywood Week, where contestants get one step closer to being crowned the next "American Idol."
March 14, 2021, midnight
S4E6 - Hollywood Week: Genre Challenge
The search for the next superstar continues with Hollywood week; fan favorites from auditions return to the stage for the genre challenge.
March 21, 2021, midnight
S4E7 - Hollywood Duets Challenge
The hopefuls encounter surprises as they continue to compete with the Hollywood duets challenge.
March 22, 2021, midnight
S4E8 - Showstopper/Final Judgment (1)
The contestants showcase their talent by performing with a band for their last chance to make it into the coveted top 24.
March 28, 2021, midnight
S4E9 - Showstopper/Final Judgment (2)
The remaining contestants perform for their first time this season with a band, vying for their spot in the top 24; the judges share a surprising twist.
March 29, 2021, midnight
S4E10 - All Star Duets and Solos (1)
Contestants perform duets with surprise celebrity guests for a chance to make it to live shows.
April 4, 2021, midnight
S4E11 - All Star Duets and Solos (2)
Contestants perform duets with surprise celebrity guests for a chance to make it to live shows.
April 5, 2021, midnight
S4E12 - Top 16
The top 16 are revealed and perform in hopes of securing America's vote.
April 11, 2021, midnight
S4E13 - Top 12 Live Reveal
Following America's overnight vote, 10 contestants are revealed from the top 16; six contestants perform for a chance to be in the top 12.
April 12, 2021, midnight
8.0
S4E14 - Oscar Nominated Songs
The top 12 contestants perform Oscar-nominated songs in hopes of securing America's vote into the top nine; Lionel Richie performs.
April 18, 2021, midnight
S4E15 - The Comeback
Ten finalists from the previous season return to make their debut on the "American Idol" stage, where they sing for America's vote; one remains in the competition this season, rounding out the top 10.
April 19, 2021, midnight
S4E16 - Disney Night
The results of the comeback show; the top nine travel to Walt Disney World for a one-on-one session with a celebrity mentor; the top seven finalists are revealed.
May 2, 2021, midnight
S4E17 - Coldplay Songbook & Mother's Day Dedication
The remaining finalists perform one song dedicated to the special loved ones in their lives in honor of Mother's Day and a second song from the Coldplay songbook, mentored by the band's lead singer, Chris Martin.
May 9, 2021, midnight
S4E18 - My Personal Idol/Artist Singles
Artist FINNEAS mentors the finalists, who are grouped to perform two of his songs; the top four perform two additional songs each; FINNEAS performs with Ashe; the top three finalists are revealed.
May 16, 2021, midnight
S4E19 - Grand Finale
The top three finalists perform and the winner is announced; scheduled performers include Lindsey Buckingham, Alessia Cara, Luke Combs, Sheryl Crow, Fall Out Boy, Mickey Guyton, Chaka Khan, Leona Lewis and Macklemore.
May 23, 2021, midnight