Last night, American Idol's Top 12 sang their hearts out in hopes of winning America over. Tonight, the finalist who received the fewest votes will be eliminated from the race for the American Idol crown. Also Katharine McPhee performs live.

Episode Viewers and Ratings

Season 7 Episode 21 of American Idol resulted in a 0.00 rating in the 18-49 demographic.

American Idol Season 7 Episodes...

• s07e01 - Philadelphia, PA Auditions
• s07e02 - Dallas, TX Auditions
• s07e03 - San Diego, CA Auditions
• s07e04 - Charleston, SC Auditions
• s07e05 - Omaha, NE Auditions
• s07e06 - Miami, FL Auditions
• s07e07 - Atlanta, GA Auditions
• s07e08 - Best of the Rest Auditions
• s07e09 - Hollywood Round 1
• s07e10 - Hollywood Round 2
• s07e11 - The Top 12 Boys Perform
• s07e12 - The Top 12 Girls Perform
• s07e13 - First All New Live Results Show
• s07e14 - The Top 10 Boys Perform
• s07e15 - The Top 10 Girls Perform
• s07e16 - Four More Go Home
• s07e17 - The Top 8 Boys Perform
• s07e18 - The Top 8 Girls Perform
• s07e19 - Four More Go Home - Top 12 Revealed
• s07e20 - The Top 12 Perform Live
• s07e21 - One Of The Top 12 Must Go Home Tonight!
• s07e22 - Top 11 Finalists Compete Live, Lennon/McCartney Round 2
• s07e23 - One More Goes Home Tonight!
• s07e24 - The Top 10 Perform Live
• s07e25 - Top 10 Results
• s07e26 - Top 9 Finalists
• s07e27 - Top 9 Results
• s07e28 - The Top 8 Finalists Perform
• s07e29 - Idol Gives Back 2008
• s07e30 - One Must Go Home Tonight! 7 Finalists Remain
• s07e31 - Top 7 Perform
• s07e32 - One Must Go Home Tonight! 6 Finalists Remain
• s07e33 - Top 6 Perform With Some Tips From Andrew Lloyd Webber
• s07e34 - One Must Go Home Tonight! 5 Finalists Remain
• s07e35 - Top 5 Perform
• s07e36 - One Must Go Home Tonight! Top 4 Finalists Remain
• s07e37 - Top 4 Perform Live
• s07e38 - One Must Go Home Tonight! 3 Finalists Remain
• s07e39 - 2 Guys And A Diva Perform
• s07e40 - One Must Go Home Tonight! Only Two Will Continue Their Quest When The Voting Results Are Revealed
• s07e41 - David Archuleta Vs. David Cook
• s07e42 - And The Winner Is.........

American Idol Show Summary

This hit FOX musical reality series follows three judges, Simon Cowell, Randy Jackson (II), and Paula Abdul, along with host Ryan Seacrest around the United States in search of the next American Idol, a pop star that truly shines above all the rest. With help from the viewers, they will decide from thousands of participants who will walk away with a record deal and the fame and fortune that is sure to come along with it.