The third season of Sonny with a Chance cancelled a year later on April 19, 2011.
Sonny with a Chance . The second season premiered on March 14 , 2010 to 6.3 million viewers , and was reportedly cancelled over a year later on April 19 , 2011 following Lovato 's official departure announcement and Disney Channel 's decision to rebrand the series . Disney Channel originally renewed the series for a third season on November 12 , 2010 , but Lovato 's role was at an uncertainty at the time after she checked into treatment two weeks prior .