The third season this week
NHK has revealed that the final season of Attack on Titan has revealed that it will air next year.
At the same time the manga its about to enter on its final arc.
Crunchyroll describes the story as follows:
“The battle to retake Wall Maria begins now! With Eren’s new hardening ability, the Scouts are confident they can seal the wall and take back Shiganshina District. If they succeed, Eren can finally unlock the secrets of the basement—and the world. But danger lies in wait as Reiner, Bertholdt, and the Beast Titan have plans of their own. Could this be humanity’s final battle for survival?”
Via: Anime News Network