Attack on Titan season 1

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. It covers the first story arcs (chapters 1–34) from the original manga by Hajime Isayama. It was originally broadcast on MBS TV from April 7 to September 29, 2013, and later aired on Tokyo MX, FBS, TOS, HTB, TV Aichi and BS11. Both Funimation and Crunchyroll have streamed the series with subtitles on their respective websites. Funimation also licensed the anime for home video release in 2014. Episode 1 of Funimation's English dubbed version premiered at Anime Boston, with other episodes put on Funimation's subscription services. 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. EDT.

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. 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. 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 score is composed by Hiroyuki Sawano. The opening theme song for the season's first 13 episodes is "Feuerroter Pfeil und Bogen" (紅蓮の弓矢) by Linked Horizon, and the ending theme is "Utsukushiki Zankoku na Sekai" (美しき残酷な世界) by Yōko Hikasa. For the rest of the season, the opening theme is "Die Flügel der Freiheit" (自由の翼) also by Linked Horizon and the ending theme is "Great Escape" by Cinema Staff. 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.

Music
The soundtrack for season 1 was composed by Hiroyuki Sawano, and the first CD was released on June 28, 2013, by Pony Canyon. It contains 16 tracks, including 6 vocal tracks performed by Mika Kobayashi, mpi, Cyua, Aimee Blackschleger, and CASG (Caramel Apple Sound Gadget). A second CD containing the other half of the soundtrack was released on October 16, 2013, as a bonus offered with the fourth Blu-ray and DVD limited edition volumes of the anime.