Power Rangers S.P.D.

Power Rangers S.P.D. (Space Patrol Delta) is a TV show "Power Rangers" started in 2005. It aired from February 5 to November 14, 2005 38 episodes. It is based on the Super Sentai series "Tokusou Sentai Dekaranger". It is the sequel to "Power Rangers Dino Thunder". A sequel to called "Power Rangers Mystic Force" started in 2006.
Plot.
In the future, the people of Earth welcome extraterrestrial beings to live with them. But peace is short-lived when the alien forces become destructive, driving the Power Rangers SPD into action.