Attack on Titan is a Japanese dark fantasy anime television series adapted from Hajime Isayama's 2009–2021 manga series. The series premiered on April 7, 2013, and concluded on November 5, 2023. It is set in a post-apocalyptic world where the remains of humanity live behind walls protecting them from giant humanoid Titans. It follows protagonist Eren Yeager, along with friends Mikasa Ackerman and Armin Arlert.