When does Tenkai Knights return?

Tenkai Knights is a 2014 Japanese-Canadian mecha anime series based on a toy line by Spin Master. The series first aired in the United States on Cartoon Network on August 24, 2013, at 7:30 am, and in Canada on Teletoon on September 28, 2013. A second season of the series was announced to be in development but was cancelled prior to entering production.