Attack on Titan: Smoke Signal of Fight Back Genre Drama, horror, psychological thriller Directed by Shinji Higuchi Starring Ishihara Satomi Country of origin Japan Original language(s) Japanese No. of series 1 No. of episodes 3 Production Running time 30 minutes Release Original network dtv Original release August 15 (2015-08-15) – August 29, 2015 (2015-08-29) Chronology Followed by Attack on Titan (film)