Sonny with a Chance is a show.
A situation comedy , or sitcom , is a genre of comedy centered on a fixed set of characters who carry over from episode to episode . Sitcoms originated in radio , but today are found mostly on television as one of its dominant narrative forms . Sonny with a Chance is an American sitcom created by Steve Marmel which aired for two seasons on Disney Channel from February 8 , 2009 to January 2 , 2011 . The series follows the experiences of teenager Sonny Munroe , portrayed by Demi Lovato , who becomes the newest accepted cast member of her favorite live comedy television show , So Random ! The series is one of the three Disney Channel Original Series to feature a show-within-a-show , along with The Famous Jett Jackson and Shake It Up .