Gurren Lagann: Part 3 (2008)

This is the story of a man who continues to search for his own path even as fate betrays him. It has been seven years since Teppelin's fall. Human civilization has evolved at an astonishing rate. As Lordgenome predicted, the instant that the one millionth human was born an unknown destructive weapon suddenly appeared. The declaration of war against humanity came from an unexpected person : Nia herself! Now the intrepid Gurren Brigade will have to take the fight for humanity's future into the depths of space!!