Attack on Titan

is a Japanese dark fantasy anime television series, adapted from the manga series of the same name by Hajime Isayama, that premiered on April 7, 2013. It has aired on MBS TV (first two seasons) and NHK General TV (third season onwards). In North America, the series has been streamed on Crunchyroll, Funimation, and Hulu. Attack on Titan has also aired on Adult Swim's Toonami programming block in the United States.