Attack on Titan Season 3 has an official return date, accompanied by a new poster-like image for the second half of the season.
Revealed by Funimation on Twitter, the third season of Attack on Titan will return on April 28, 2019.
Attack on Titan Season 3 initially aired in Japan from July 23 to October 15, 2018 – broadcasting the first 12 episodes prior to going into hiatus. The English language dub of the show premiered on Adult Swim on August 18, 2018.
Source: IGN.com Attack on Titan Season 3 Returns in April, New Visual Revealed