It's Grabbleapple harvest season in the Rainbow Kingdom ... but Glummy Glooma doesn't want autumn to come. Can True and her friends save the festival? Cory Doran, Jamie Watson, Derek McGrath, Eric Peterson, Julie Lemieux, Anna Claire Bartlam, Nicolas Aqui, Michela Luci, Michela Luci, Jamie Watson, Eric Peterson, Anna Claire Bartlam, Nicolas Aqui, Cory Doran, Julie Lemieux, Derek McGrath Added on Netflix 2019-11-02.