Jason DeMarco, senior vice-president and creative director for Adult Swim, confirmed on Twitter on April 1, 2017 that Toonami will begin airing the second season of the Attack on Titan anime series on April 29, 2017. DeMarco confirmed multiple times on Twitter that the news wasn’t an April Fool’s Joke.

The second season of Attack on Titan began airing in Japan on April 1, 2017.

Source: ANN