<Li> Riele Downs as Charlotte </Li> <Li> Sean Ryan Fox as Jasper Dunlop </Li> <Li> Ella Anderson as Piper Hart </Li> <P> The series was picked up with an initial production order of 20 episodes on March 13, 2014, later expanding to 26 episodes . On July 26, 2014, the series started airing with a one - hour special as the first episode . Series creator Dan Schneider stated on Twitter that a character from one of his previous series will make a guest appearance on the series . On November 18, 2014, the series was renewed for a second season . The second season premiered on September 12, 2015 . On March 2, 2016, the series was renewed for a third season . The third season premiered on September 17, 2016 . The series was renewed for a fourth season on November 16, 2016 . The fourth season will premiere on October 21, 2017 . </P>

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