American Idol (season 8) the American Idol." Season eight was the top show for the 2008–09 broadcast primetime season and took the top two spots for its Tuesday and Wednesday episodes. The viewers number for the Wednesday episodes averaged 25.527 million, while the Tuesday episodes averaged 24.741 million. The ratings were down from season seven, with the finale dropping 13% in the 18–49 demo and 9% in total viewers number. American Idol (season 8) The eighth season of "American Idol" premiered on January 13, 2009, and concluded on May 20, 2009. Judges Simon Cowell, Paula Abdul, and Randy Jackson continued to judge the show's
American Idol placed second overall amongst the 18–49 age group. The finale night when Ruben Studdard won over Clay Aiken was also the highest-rated ever "American Idol" episode at 38.1 million for the final hour. By the third season, the show had become the top show in the 18–49 demographic<ref name="realitytvworld_5/24/2007"></ref> a position it has held for all subsequent years up to and including the tenth season, and its competition stages ranked first in the nationwide overall ratings. By the fourth season, "American Idol" had become the most watched series amongst all viewers on American TV for the first time, with an