Attack on Titan - watch online: stream, buy or rent
Currently you are able to watch "Attack on Titan" streaming on Crunchyroll Amazon Channel, Crunchyroll or for free with ads on Crunchyroll. It is also possible to buy "Attack on Titan" as download on Apple TV.
There aren't any free streaming options for Attack on Titan right now. If you want know when it is streaming for free, click 'Free' in the filters above and hit the notification bell.