When does Foundation return?

Foundation is an American science fiction television series based on the Foundation series of stories by Isaac Asimov. It features an ensemble cast led by Jared Harris, Lee Pace, Lou Llobell and Leah Harvey. In the far future, most of the known galaxy is despotically ruled by the revolving triumvirate of Emperor Cleon's clones. The series chronicles Empire's subsequent conflicts with the Foundation and its allies over the course of the passing centuries.
Foundation chronicles the thousand-year saga of The Foundation, a band of exiles who discover that the only way to save the Galactic Empire from destruction is to defy it.