The official website for anime the Attack on Titan The Final Season announced that part 2 of the season will premiere with episode 76 on NHK General in January 2022.Before the new part airs, a special compilation version of the story releases DVD of the anime (telling stories from the points of view of Levi, Annie, Mikasa, and other characters) will also be released.
Episode 75 ended in March with the announcement that episode 76 would premiere next winter in Japan.
Attack on Titan: The Final Season premiered on NHK on December 7, 2020.
Source: ANN