
See also: List of Attack on Titan episodes No. The opening themes were collected on Linked Horizon's single " Jiyū e no Shingeki" which sold over 100,000 copies in its first week of sales. "The Wings of Freedom") also by Linked Horizon and the ending theme is " Great Escape" by Cinema Staff. For the rest of the season, the opening theme is "Die Flügel der Freiheit" ( 自由の翼, Jiyū no Tsubasa, lit. "A Beautiful Cruel World") by Yōko Hikasa. "Crimson Bow and Arrow") by Linked Horizon, and the ending theme is " Utsukushiki Zankoku na Sekai" ( 美しき残酷な世界, lit. The opening theme song for the season's first 13 episodes is " Feuerroter Pfeil und Bogen" ( 紅蓮の弓矢, Guren no Yumiya, lit. The score is composed by Hiroyuki Sawano. In the United States, the dub of the series was broadcast weekly on Adult Swim's Toonami programming block starting on May 3, 2014, at 11:30 p.m. Episode 1 of Funimation's English dubbed version premiered at Anime Boston, with other episodes put on Funimation's subscription services. Funimation has also licensed the anime for home video release in 2014. Both Funimation and Crunchyroll have streamed the series with subtitles on their respective websites. The season was broadcast on MBS TV from April 7 to September 29, 2013, and later aired on Tokyo MX, FBS, TOS, HTB, TV Aichi and BS11.

Vowing revenge and to reclaim the world from the Titans, Eren and his friends join the Scout Regiment, an elite group of soldiers who fight Titans. The story follows the adventures of Eren Jaeger and his childhood friends Mikasa Ackerman and Armin Arlert, whose lives are changed forever after a Colossal Titan breaches the wall of their home town.

Attack on Titan is set in a world where humanity lives inside cities surrounded by enormous walls due to the Titans, gigantic humanoid beings who devour humans. It covers the first story arcs (chapters 1–34) from the original manga by Hajime Isayama.

The first season of the Attack on Titan anime television series was produced by IG Port's Wit Studio and directed by Tetsurō Araki, with Yasuko Kobayashi handling series composition and Kyōji Asano providing character designs.
