Attack on Titan is a Japanese dark fantasy anime television series. It is an adaptation of Hajime Isayama's 2009–2021 manga series. The series premiered on April 7, 2013, and concluded on November 5, 2023. Set in a post-apocalyptic world where the remains of humanity live behind walls protecting them from giant humanoid Titans. It chronicles Eren Yeager's journey with the Survey Corps as they fight against the Titans.