When does Power Rangers S.P.D. return?

Power Rangers S.P.D. is the thirteenth season of the television series, Power Rangers. It is based on the 28th Super Sentai series Tokusou Sentai Dekaranger. The initials in the title stand for "Space Patrol Delta" The story takes place in the year 2025, 21 years after the events of the previous season when Earth has welcomed alien beings.