When does Sonny with a Chance return?

Sonny with a Chance is an American teen sitcom that aired on Disney Channel for two seasons between February 2009 and January 2011. The series centers on Sonny Munroe, portrayed by Demi Lovato, a teenage comedian from Wisconsin. The Walt Disney Company commissioned the series to follow its successful comedy programs of the 2000s, including Hannah Montana and Wizards of Waverly Place, starring Miley Cyrus and Selena Gomez. The main themes depicted include the focus on friendships and adolescence.
Sonny Munroe is a cheerful and ambitious fifteen-year-old from Wisconsin who has experienced success by uploading comedic videos to the internet. After she is discovered in a nationwide casting call, she joins the cast of a popular sketch comedy series for teenagers titled So Random!. The series centers on Sonny's life working on the program as well as her home life.