The fourth season of Latin American Idol premiered on September 9, 2009.
This season brought new changes as host Monchi Balestra and judge Gustavo Sánchez left the show.
There was a form to fill in the Latin American Idol MySpace site to try for auditions for 2009.
Audition dates and places for season 4 were: The Top 20 semifinalists were announced on September 24, 2009, at the end of the Theater Round.
The guys will perform on September 30, and the girls on October 7 with results show on the following night.