Board Thread:Anime/@comment-7278867-20170616140539/@comment-32008757-20170617171830

Arshpar wrote: 25 episodes, https://m.youtube.com/watch?v=NxgU9oMP8IALook, it shows the volumes 13-22, or Simply said: The Uprising arc and The full Shiganshina district arc will be animated.

If they were going to put only the uprising arc, they wouldnt have mentioned the full return to shiganshina arc in the teaser. Yeah, 25 episdoes is sure because of the ocean scene.