Attack on Titan Season 2 is set to release on April 1, 2017. The anime will be a direct continuation from it’s previous season. The number of episodes season 2 will contain is not yet known, but fans are hoping that at least 20+ episodes are released.
FUNimation will likely release the episodes in both sub and dub as they air in Japan.
The second season of Shingeki no Kyojin. Eren Jaeger swore to wipe out every last Titan, but in a battle for his life he wound up becoming the thing he hates most. With his new powers, he fights for humanity’s freedom facing the monsters that threaten his home. After a bittersweet victory against the Female Titan, Eren finds no time to rest—a horde of Titans is approaching Wall Rose and the battle for humanity continues!
The trailer for Attack on Titan season 2 has also been released.