Hopefuls perform for the judges in New York.

Hopefuls perform for the judges in Chicago..

Hopefuls perform for the judges in Charlotte.

Hopefuls perform for the judges in Baton Rouge.

Hopefuls perform for the judges in San Antonio, TX & Los Angeles, CA.

Hopefuls perform for the judges in Oklahoma City.

The contestants who impressed the judges in their respective audition cities will head to Hollywood, where some dreams will come true and others will come to an end. The intensity of the competition heats up as hopefuls chosen from around the nation vie for a coveted semifinalist spot.

The tough Hollywood Round continues, as judges Mariah Carey, Randy Jackson, Nicki Minaj and Keith Urban narrow down the contestants. Some will leave with shattered dreams, others will move on in the competition.

The ultimate singing stage test resumes in Hollywood as the contestants vie for a coveted spot in the semifinals.

In the final Hollywood episode, the judges reveal the Top 40 contestants - 20 guys and 20 girls - who remain in the competition. These contestants will travel to Las Vegas in hopes of impressing the judges one more time. See which contestants shine and which ones crack under the pressure.

Ten female semifinalists perform in Las Vegas.

Ten male semifinalists perform in Las Vegas.

Ten female semifinalists perform in Las Vegas.

Ten male semifinalists perform in Las Vegas

Ten singers perform in Las Vegas.

Ten more singers perform.

We don't have an overview translated in English. Help us expand our database by adding one.

The top 10 finalists perform songs that have been performed by previous Idols.

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The top nine take on songs from The Beatles (John Lennon/Paul McCartney Songbook).

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The finalists perform music from Detroit, particularly from the Motown era, for the judges. Smokey Robinson mentors the contestants.

The contestants face elimination. Colton Dixon performs; OneRepublic featuring Katharine McPhee performs; Keith Urban performs.

The top 7 finalists perform classic rock songs.

The contestants face elimination. Carrie Underwood performs; Casey James performs.

The top 6 finalists perform songs by Burt Bacharach & Hal David and Songs They Wish They'd Written.

The finalists face elimination; Scotty McCreery performs; Kelly Clarkson performs.

The top 5 perform songs from the Year They Were Born and songs by Divas.

The contestants face elimination. Clay Aiken performs; Fantasia Barrino performs.

The top 4 finalists perform Contestant's Choice and One-Hit Wonders.

The contestants face elimination. Stefano Langone performs; Lee DeWyze performs.

The top 4 finalists performs a hit song of 2013 and a song from the Great American Songbook standards.

The contestants face elimination. David Cook performs; will.i.am peforms; Harry Connick Jr. performs.

Each finalist performs a song chosen by Jimmy Iovine, the judges and the producers. Highlights also shown from their hometown visits.

The top 2 finalists are determined. Lauren Alaina performs; Alicia Keys performs.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

Hopefuls perform for the judges.

Hopefuls perform for the judges.

Hopefuls perform for the judges.

Hopefuls audition in Salt Lake City.

Hopefuls audition in Omaha, Neb.

Upon their arrival in Hollywood, the contestants must perform for the judges; contestants who don't make the cut are sent back home.

Solo and group performances in Los Angeles.

Group and solo performances in Los Angeles.

Following more performances, the top semifinalists are announced.

Fifteen female singers perform.

The male singers perform.

The top 13 finalists are revealed.

The 13 finalists perform.

The singers face elimination.

The dozen remaining finalists perform.

The contestants face elimination.

Eleven finalists perform.

The contestants face elimination.

The top 10 finalists perform.

Contestants face elimination.

The finalists perform.

Contestants face elimination.

The top finalists perform for the judges.

One contestant is voted off.

The top finalists perform for the judges.

(30 minutes)

The finalists perform for the judges.

(30 minutes)

Six finalists perform for the judges.

(30 minutes)

The top five finalists perform for the judges.

(30 minutes)

The four remaining finalists perform.

(30 minutes)

In the 500th episode, the top three finalists perform.

(30 minutes)

The top two finalists perform.

The top finalists reunite; the winner is revealed.

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Hopefuls try to impress the judges as auditions continue.

Vocalists in Kansas City, Mo., audition for the judges in hope of making it to the next round.

Vocalists in New York -- the hometown of judge Jennifer Lopez -- audition in hope of making it to the next round; guest judge Adam Lambert.

Another round of vocalists audition for the judges in hope of making it to the next round.

The auditions continue as more vocalists try to impress the judges in hope of making it to the next round.

The auditions continue.

The auditions continue.

Hollywood Week opens with the singers forming lines of 10 and performing for the judges.

Hollywood Week continues.

Hollywood Week continues as the contestants perform solos.

Hollywood Week continues and the Top 48 singers are revealed.

The contestants perform in a showcase at the House of Blues; some of the contestants learn their fate.

The final performances take place at the House of Blues; the judges finish selecting the top 24 contestants.

The top 12 guys perform in hope of winning America's votes.

The top 12 girls perform in hope of earning America's votes.

The result of last week's vote and the Top 8 Girls perform.

The result of last week's vote and the Top 8 Boys perform.

The 16 remaining contestants are whittled down to the Top 12 finalists.

The Top 12 perform for America's votes.

The results of last week's vote and the Top 10 perform.

The result of last week's vote and the Top 9 perform.

The result of last week's vote and the Top 8 perform.

The result of last week's vote and the Top 7 perform.

The result of last week's vote and the Top 6 perform.

The result of last week's vote and the Top 5 perform.

The result of last week's vote and the Top 4 perform.

The result of last week's vote and the Top 3 perform.

The final performance show of the season gives America one last chance to vote for the winner.

A night of featured performances climaxes with the revelation of this year's American Idol winner.

Host Ryan Seacrest and judges Jennifer Lopez, Keith Urban and Harry Connick Jr. begin their search for talented vocalists with auditions in Denver and Atlanta.

The search for the most talented vocalists continues with auditions in Little Rock, Ark., and San Francisco.

Ryan and the judges continue their search for talent with auditions in Philadelphia.

Ryan, Jennifer, Keith, and Harry search the country for the most talented vocalists as the auditions continue in Denver and Little Rock, Ark.

Hopefuls audition for the judges in Atlanta, Little Rock, Ark., Philadelphia and San Francisco.

Hopefuls perform for the judges in Atlanta, Philadelphia and San Francisco.

The judges have heard auditions from all over the country, and now it's time for the best of the best to see if they are cut out for Hollywood.

The contestants press on to show the judges what they've got as Hollywood Week continues.

Hollywood week continues and the contestants are put to the test. Who will come out on top?

The contestants have survived Hollywood week and it is time to find out who will continue on in the competition. Only the best of the best will make it through as the Top 24 are revealed.

The Top 24 have been chosen, and now it's time for the contestants to show the judges that they are here to stay. Twelve of the Top 24 perform in hopes of earning their spot.

Favorite former Idols will return to mentor and sing with the contestants. Then, after giving it their all, the first round of performers will find out who will make the cut. The judges vote on who will stay in the competition to become the next, and final, American Idol.

The remaining 12 of the Top 24 get their chance to shine as they perform for the judges' votes.

Idol fan favorites return to mentor and perform, as the judges vote on the second showcase and five contestants are sent home. Find out who advances to the Top 14 in the quest to become the final Idol.

After proving themselves alongside Idol legends, some semifinalists will reach the end of their journey. The judges will announce the first eight semi-finalists to make it into the Top 10, leaving six to sing for America's vote and the final two spots in this farewell season's Top 10.

The first live show of the season is finally here! Host Ryan Seacrest will reveal America's Vote and announce the final two semi-finalists joining the Top 10. Then, the Top 10 finalists will perform for America's vote.

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As the competition moves forward, Idol hopefuls have limited time to make a name for themselves. Find out who will move on and who has reached the end of the road.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.